{
  "code": "S75",
  "name": "Equation",
  "shape": "equation",
  "family": "Lists and comparisons",
  "fits": "Two ingredients that only work together, written as A + B: two equal boxes with a heading, a short kicker under it, an accent rule and one line, joined by a large plus.",
  "use_when": "When the point is the combination, not either part: a strategy of two moves, two assets that add up. The result option spells out what they make.",
  "slots": [
    {
      "name": "title",
      "holds": "the page title, top left",
      "budget": "under 7 words"
    },
    {
      "name": "term-a",
      "holds": "left box: heading, mono kicker, accent rule, one line",
      "budget": "heading 1-3 words, kicker under 5 words, line under 20 words"
    },
    {
      "name": "term-b",
      "holds": "right box, same parts as term-a",
      "budget": "as term-a"
    },
    {
      "name": "result",
      "holds": "opt-result only: a third box after an equals sign, on the contrasting plate",
      "budget": "as term-a"
    }
  ],
  "columns": 2,
  "density": "airy",
  "surface": "paper",
  "works_on": [
    "deck",
    "page"
  ],
  "library": "Hoffman",
  "dir": "S75-equation",
  "semantic": {
    "audience_question": "Why do these two ingredients produce value together?",
    "intent": "Understand complementarity through two equally specified terms.",
    "reasoning_relation": "complementary ingredients",
    "message_pattern": "[A] supplies [contribution] and [B] supplies [contribution], enabling [outcome].",
    "required_content": [
      "Two distinct complementary inputs.",
      "A credible explanation of what their combination enables."
    ],
    "narrative_positions": [
      "context",
      "explanation",
      "evidence: choose only when the page supports the surrounding argument"
    ],
    "requires_before": [
      "Explain why either ingredient alone leaves a gap."
    ],
    "enables_after": [
      "Show the combined service and the evidence needed to test it."
    ],
    "slot_roles": {
      "title": "State what combination is being considered.",
      "term-a": "Name the first ingredient, its role and one explanatory line.",
      "term-b": "Name the second ingredient with the same level of specificity."
    },
    "avoid_when": [
      "A precise causal or mathematical claim without support.",
      "Two unrelated benefits linked only by a plus sign."
    ],
    "layout_specific_contract": "Two ingredients that only work together, written as A + B: two equal boxes with a heading, a short kicker under it, an accent rule and one line, joined by a large plus.",
    "provenance": {
      "basis": "interpretation of the existing layout and slot contracts",
      "review": "Tessel model-authored guidance; implementation approved by Nic, 2026-10-10",
      "corpus_evidence_status": "not yet established",
      "guide": "../SEMANTICS.md"
    },
    "variation_rule": "Read the selected option’s actual markup, slot count and source record. Preserve this reasoning relationship only if the option still expresses it; flag a mismatch before adapting.",
    "reader_outcome": "Understand complementarity through two equally specified terms.",
    "matching": {
      "audience_question": "Why do these two ingredients produce value together?",
      "reader_outcome": "Understand complementarity through two equally specified terms.",
      "reasoning_relation": "complementary ingredients",
      "content_shape": {
        "composition": "Two ingredients that only work together, written as A + B: two equal boxes with a heading, a short kicker under it, an accent rule and one line, joined by a large plus.",
        "selected_state": "Two ingredients that only work together, written as A + B: two equal boxes with a heading, a short kicker under it, an accent rule and one line, joined by a large plus.",
        "density": "airy",
        "columns": 2,
        "column_note": "Base metadata only; selected option can replace the base geometry."
      },
      "required_slots": [
        {
          "name": "title",
          "reader_question": "Why do these two ingredients produce value together?",
          "semantic_role": "State what combination is being considered.",
          "content_unit_count": {
            "min": 1,
            "max": 1,
            "basis": "authored composition members where a repeated group is specified; otherwise one named slot; not a required amount of evidence"
          },
          "placeholder": "[REAL CONTENT · title · the page title, top left]",
          "layout_budget": {
            "authored": "under 7 words",
            "policy": "Working composition guidance: preserve scope and qualification; change layout rather than truncate the argument."
          },
          "markup": {
            "slot": "title",
            "occurrences": 1,
            "annotation_status": "present",
            "visibility_status": "not asserted from static parsing",
            "sample_word_counts": [
              5
            ]
          }
        },
        {
          "name": "term-a",
          "reader_question": "What does the term a contribute to this page’s reader outcome?",
          "semantic_role": "Name the first ingredient, its role and one explanatory line.",
          "content_unit_count": {
            "min": 1,
            "max": 1,
            "basis": "authored composition members where a repeated group is specified; otherwise one named slot; not a required amount of evidence"
          },
          "placeholder": "[REAL CONTENT · term-a · left box: heading, mono kicker, accent rule, one line]",
          "layout_budget": {
            "authored": "heading 1-3 words, kicker under 5 words, line under 20 words",
            "policy": "Working composition guidance: preserve scope and qualification; change layout rather than truncate the argument."
          },
          "markup": {
            "slot": "term-a",
            "occurrences": 1,
            "annotation_status": "present",
            "visibility_status": "not asserted from static parsing",
            "sample_word_counts": [
              9
            ]
          }
        },
        {
          "name": "term-b",
          "reader_question": "What does the term b contribute to this page’s reader outcome?",
          "semantic_role": "Name the second ingredient with the same level of specificity.",
          "content_unit_count": {
            "min": 1,
            "max": 1,
            "basis": "authored composition members where a repeated group is specified; otherwise one named slot; not a required amount of evidence"
          },
          "placeholder": "[REAL CONTENT · term-b · right box, same parts as term-a]",
          "layout_budget": {
            "authored": "as term-a",
            "policy": "Working composition guidance: preserve scope and qualification; change layout rather than truncate the argument."
          },
          "markup": {
            "slot": "term-b",
            "occurrences": 1,
            "annotation_status": "present",
            "visibility_status": "not asserted from static parsing",
            "sample_word_counts": [
              17
            ]
          }
        }
      ],
      "rejection_constraints": [
        "An arithmetic equation implied where only a conceptual relationship is supported.",
        "A decorative plus sign that implies causality or numerical addition without support."
      ],
      "option_guidance": {
        "option": "default",
        "composition_delta": "Two ingredients that only work together, written as A + B: two equal boxes with a heading, a short kicker under it, an accent rule and one line, joined by a large plus.",
        "semantic_change": "retains base content relationship; changes presentation or disclosure",
        "matching_instruction": "Select S75 default when the supplied material answers “Why do these two ingredients produce value together?” through complementary ingredients. Respect this state: Two ingredients that only work together, written as A + B: two equal boxes with a heading, a short kicker under it, an accent rule and one line, joined by a large plus."
      },
      "provenance": {
        "status": "inferred composition evidence",
        "author_intent": "not independently confirmed",
        "basis": [
          "retained source composition where available",
          "authored layout and slot contracts",
          "static implementation inspection"
        ],
        "source_visual_count": 1,
        "source_visual_sha256": [
          "f5455f8107fc065aead85d3a9a6bf38c49663bbc706ce1f986088d960bb27158"
        ],
        "source_export": "private source images remain outside this draft site",
        "markup_sha256": "3097b187bee4b5d3f1db8db7a0fd72a69e6f7bb86fd60cd7e83977cd54868978",
        "limits": [
          "Static parsing inventories authored nodes; it does not certify rendered visibility, responsive fit or interactive state.",
          "Budgets are authored layout guidance, not a content-writing limit or proof of fit.",
          "Matching guidance is a draft inference; it does not establish facts, endorsement, causation or source author intent."
        ]
      },
      "adaptation_rules": [
        "Choose by audience question, reasoning relation and required content before aesthetic preference.",
        "Supply every required semantic role; retain visible unknowns as labelled real-content placeholders.",
        "A number needs source, scope and units; a quotation needs faithful wording and attribution.",
        "Do not infer importance from area, colour, depth or movement unless the content explicitly defines that encoding.",
        "Keep colour token roles, structural objects, licences and source records; changing content does not authorize changing them."
      ]
    },
    "rejection_constraints": [
      "An arithmetic equation implied where only a conceptual relationship is supported.",
      "A decorative plus sign that implies causality or numerical addition without support."
    ],
    "markup_inventory": {
      "file": "spread.html",
      "sha256": "3097b187bee4b5d3f1db8db7a0fd72a69e6f7bb86fd60cd7e83977cd54868978",
      "method": "static lxml markup plus authored option description; no rendered-visibility claim",
      "all_markup_slot_counts": {
        "title": 1,
        "term-a": 1,
        "term-b": 1,
        "result": 1
      },
      "slot_evidence": {
        "title": [
          {
            "tag": "h2",
            "classes": "title",
            "sample_word_count": 5,
            "repeated_children": 0
          }
        ],
        "term-a": [
          {
            "tag": "div",
            "classes": "term",
            "sample_word_count": 9,
            "repeated_children": 4
          }
        ],
        "term-b": [
          {
            "tag": "div",
            "classes": "term",
            "sample_word_count": 17,
            "repeated_children": 4
          }
        ],
        "result": [
          {
            "tag": "div",
            "classes": "term res",
            "sample_word_count": 17,
            "repeated_children": 4
          }
        ]
      },
      "option_selectors": [
        "result"
      ],
      "linked_implementation": [
        {
          "file": "../spreads.css",
          "sha256": "32da94472b0c9131e4d5dae7d5bf0498b09202a9e66294b4e4f23e6ddfbf37ba"
        },
        {
          "file": "../spread.js",
          "sha256": "3d99948b83f750bd4ae95dac08e3e50a395de7c149c90a6f1a1c0ea36a2634a4"
        }
      ]
    },
    "variations": {
      "result": {
        "audience_question": "How do these two ingredients yield the stated combined result?",
        "intent": "Understand a conceptual A plus B yields C relationship with a named outcome.",
        "reader_outcome": "Understand a conceptual A plus B yields C relationship with a named outcome.",
        "reasoning_relation": "ingredients and combined outcome",
        "slot_roles": {
          "title": "State what combination is being considered.",
          "term-a": "Name the first ingredient, its role and one explanatory line.",
          "term-b": "Name the second ingredient with the same level of specificity.",
          "result": "Name the resulting capability, its scope and any condition; do not state a guaranteed outcome."
        },
        "matching": {
          "audience_question": "How do these two ingredients yield the stated combined result?",
          "reader_outcome": "Understand a conceptual A plus B yields C relationship with a named outcome.",
          "reasoning_relation": "ingredients and combined outcome",
          "content_shape": {
            "composition": "Two ingredients that only work together, written as A + B: two equal boxes with a heading, a short kicker under it, an accent rule and one line, joined by a large plus.",
            "selected_state": "A + B = C: an equals sign and a third box on the plate colour",
            "density": "airy",
            "columns": 2,
            "column_note": "Base metadata only; selected option can replace the base geometry."
          },
          "required_slots": [
            {
              "name": "title",
              "reader_question": "How do these two ingredients yield the stated combined result?",
              "semantic_role": "State what combination is being considered.",
              "content_unit_count": {
                "min": 1,
                "max": 1,
                "basis": "authored composition members where a repeated group is specified; otherwise one named slot; not a required amount of evidence"
              },
              "placeholder": "[REAL CONTENT · title · the page title, top left]",
              "layout_budget": {
                "authored": "under 7 words",
                "policy": "Working composition guidance: preserve scope and qualification; change layout rather than truncate the argument."
              },
              "markup": {
                "slot": "title",
                "occurrences": 1,
                "annotation_status": "present",
                "visibility_status": "not asserted from static parsing",
                "sample_word_counts": [
                  5
                ]
              }
            },
            {
              "name": "term-a",
              "reader_question": "What does the term a contribute to this page’s reader outcome?",
              "semantic_role": "Name the first ingredient, its role and one explanatory line.",
              "content_unit_count": {
                "min": 1,
                "max": 1,
                "basis": "authored composition members where a repeated group is specified; otherwise one named slot; not a required amount of evidence"
              },
              "placeholder": "[REAL CONTENT · term-a · left box: heading, mono kicker, accent rule, one line]",
              "layout_budget": {
                "authored": "heading 1-3 words, kicker under 5 words, line under 20 words",
                "policy": "Working composition guidance: preserve scope and qualification; change layout rather than truncate the argument."
              },
              "markup": {
                "slot": "term-a",
                "occurrences": 1,
                "annotation_status": "present",
                "visibility_status": "not asserted from static parsing",
                "sample_word_counts": [
                  9
                ]
              }
            },
            {
              "name": "term-b",
              "reader_question": "What does the term b contribute to this page’s reader outcome?",
              "semantic_role": "Name the second ingredient with the same level of specificity.",
              "content_unit_count": {
                "min": 1,
                "max": 1,
                "basis": "authored composition members where a repeated group is specified; otherwise one named slot; not a required amount of evidence"
              },
              "placeholder": "[REAL CONTENT · term-b · right box, same parts as term-a]",
              "layout_budget": {
                "authored": "as term-a",
                "policy": "Working composition guidance: preserve scope and qualification; change layout rather than truncate the argument."
              },
              "markup": {
                "slot": "term-b",
                "occurrences": 1,
                "annotation_status": "present",
                "visibility_status": "not asserted from static parsing",
                "sample_word_counts": [
                  17
                ]
              }
            },
            {
              "name": "result",
              "reader_question": "What does the result contribute to this page’s reader outcome?",
              "semantic_role": "Name the resulting capability, its scope and any condition; do not state a guaranteed outcome.",
              "content_unit_count": {
                "min": 1,
                "max": 1,
                "basis": "authored composition members where a repeated group is specified; otherwise one named slot; not a required amount of evidence"
              },
              "placeholder": "[REAL CONTENT · result · opt-result only: a third box after an equals sign, on the contrasting plate]",
              "layout_budget": {
                "authored": "as term-a",
                "policy": "Working composition guidance: preserve scope and qualification; change layout rather than truncate the argument."
              },
              "markup": {
                "slot": "result",
                "occurrences": 1,
                "annotation_status": "present",
                "visibility_status": "not asserted from static parsing",
                "sample_word_counts": [
                  17
                ]
              }
            }
          ],
          "rejection_constraints": [
            "Equals sign presented as quantitative causation without evidence.",
            "A decorative plus sign that implies causality or numerical addition without support."
          ],
          "option_guidance": {
            "option": "result",
            "composition_delta": "A + B = C: an equals sign and a third box on the plate colour",
            "semantic_change": "changes content relationship",
            "matching_instruction": "Select S75 result when the supplied material answers “How do these two ingredients yield the stated combined result?” through ingredients and combined outcome. Respect this state: A + B = C: an equals sign and a third box on the plate colour"
          },
          "provenance": {
            "status": "inferred composition evidence",
            "author_intent": "not independently confirmed",
            "basis": [
              "retained source composition where available",
              "authored layout and slot contracts",
              "static implementation inspection"
            ],
            "source_visual_count": 1,
            "source_visual_sha256": [
              "f5455f8107fc065aead85d3a9a6bf38c49663bbc706ce1f986088d960bb27158"
            ],
            "source_export": "private source images remain outside this draft site",
            "markup_sha256": "3097b187bee4b5d3f1db8db7a0fd72a69e6f7bb86fd60cd7e83977cd54868978",
            "limits": [
              "Static parsing inventories authored nodes; it does not certify rendered visibility, responsive fit or interactive state.",
              "Budgets are authored layout guidance, not a content-writing limit or proof of fit.",
              "Matching guidance is a draft inference; it does not establish facts, endorsement, causation or source author intent."
            ]
          },
          "adaptation_rules": [
            "Choose by audience question, reasoning relation and required content before aesthetic preference.",
            "Supply every required semantic role; retain visible unknowns as labelled real-content placeholders.",
            "A number needs source, scope and units; a quotation needs faithful wording and attribution.",
            "Do not infer importance from area, colour, depth or movement unless the content explicitly defines that encoding.",
            "Keep colour token roles, structural objects, licences and source records; changing content does not authorize changing them."
          ]
        },
        "narrative_profile": {
          "central_point": "The combined result follows from the distinct contribution of each ingredient.",
          "communication_job": "Explain two complementary inputs and the bounded result they are intended to enable.",
          "audience_value": "Explanation: clarifies complementarity while keeping the plus sign from masquerading as a proven quantitative formula.",
          "reading_path": [
            "A contrasting third box makes the proposed result explicit after the equals sign.",
            "Read the governing point.",
            "Read the left term for its distinct contribution, then the right term on the same terms.",
            "Interpret the plus as a stated combination, checking the text for the mechanism that joins them."
          ],
          "adaptation": {
            "required_inputs": [
              "Two distinct complementary inputs.",
              "A credible explanation of what their combination enables.",
              "A result logically connected to both inputs, with evidence or hypothesis status."
            ],
            "slot_guidance": {
              "title": "State what combination is being considered.",
              "term-a": "Name the first ingredient, its role and one explanatory line.",
              "term-b": "Name the second ingredient with the same level of specificity.",
              "result": "Name the resulting capability, its scope and any condition; do not state a guaranteed outcome."
            },
            "can_change": [
              "Subject, names and wording within the active slot roles.",
              "Illustrations or supporting values where present, with their provenance and limits."
            ],
            "must_survive": [
              "Distinct contributions and an explicit mechanism.",
              "The symbolic equation does not guarantee results."
            ]
          },
          "worked_example": {
            "fictional": true,
            "scenario": "A fictional workshop proposal connects shared tools with guided diagnosis.",
            "slot_fills": {
              "title": "Tools need a way to teach.",
              "term-a": "Tool access · Practical capacity · A staffed bench gives members equipment they cannot use at home.",
              "term-b": "Guided diagnosis · Practical judgment · Supervised assessment helps members understand what can be attempted and what must be referred.",
              "result": "Supported practice · Proposed outcome · Members can attempt bounded tasks with supervision and a clear referral route."
            },
            "reasoning": "The result is bounded supervised practice, not a guarantee that every device is repaired.",
            "qualification": "Every organization, value and assertion in this example is fictional. Replace it with approved, sourced content before use."
          },
          "narrative_fit": {
            "before": "Explain why either ingredient alone leaves a gap.",
            "after": "Show the combined service and the evidence needed to test it.",
            "good_uses": [
              "A two-part mechanism or partnership explanation."
            ],
            "poor_fits": [
              "A precise causal or mathematical claim without support.",
              "Two unrelated benefits linked only by a plus sign."
            ]
          },
          "evidence": {
            "observations": [
              "Current default shows two equal term boxes separated by a plus; result is hidden until selected.",
              "Viewed source capture is blurred; only arrangement is observable."
            ],
            "interpretations": [
              "The communication job and reuse advice are inferred from the current arrangement and slot contract, not independently confirmed source intent."
            ],
            "not_verified": [
              "Original author intent, factual accuracy of sample copy and persuasion effects are not verified.",
              "No confidential archive or proposal corpus was used.",
              "Variant-specific source playback was not independently tested; the variation reading uses its current implementation and metadata."
            ],
            "references": [
              "dist/S75-equation/spread.json",
              "dist/S75-equation/spread.html",
              "02_product/spreads/S75-equation/source.webp (viewed for arrangement)"
            ]
          },
          "review": {
            "status": "reviewed",
            "basis": "Motif inspected current metadata, active markup and the retained source arrangement, then checked the fictional example against the content roles. This is a layout-contract adaptation review."
          },
          "variation_relationship": "different-job"
        },
        "required_content": [
          "Two distinct complementary inputs.",
          "A credible explanation of what their combination enables.",
          "A result logically connected to both inputs, with evidence or hypothesis status."
        ],
        "requires_before": [
          "Explain why either ingredient alone leaves a gap."
        ],
        "enables_after": [
          "Show the combined service and the evidence needed to test it."
        ],
        "avoid_when": [
          "A precise causal or mathematical claim without support.",
          "Two unrelated benefits linked only by a plus sign."
        ]
      }
    },
    "narrative_profile": {
      "central_point": "Two different ingredients make a useful combination that neither provides alone.",
      "communication_job": "Answer what each ingredient contributes and why they are being joined.",
      "audience_value": "Explanation: clarifies complementarity while keeping the plus sign from masquerading as a proven quantitative formula.",
      "reading_path": [
        "Read the governing point.",
        "Read the left term for its distinct contribution, then the right term on the same terms.",
        "Interpret the plus as a stated combination, checking the text for the mechanism that joins them."
      ],
      "adaptation": {
        "required_inputs": [
          "Two distinct complementary inputs.",
          "A credible explanation of what their combination enables."
        ],
        "slot_guidance": {
          "title": "State what combination is being considered.",
          "term-a": "Name the first ingredient, its role and one explanatory line.",
          "term-b": "Name the second ingredient with the same level of specificity."
        },
        "can_change": [
          "Subject, names and wording within the active slot roles.",
          "Illustrations or supporting values where present, with their provenance and limits."
        ],
        "must_survive": [
          "Distinct contributions and an explicit mechanism.",
          "The symbolic equation does not guarantee results."
        ]
      },
      "worked_example": {
        "fictional": true,
        "scenario": "A fictional workshop proposal connects shared tools with guided diagnosis.",
        "slot_fills": {
          "title": "Tools need a way to teach.",
          "term-a": "Tool access · Practical capacity · A staffed bench gives members equipment they cannot use at home.",
          "term-b": "Guided diagnosis · Practical judgment · Supervised assessment helps members understand what can be attempted and what must be referred."
        },
        "reasoning": "Equipment supplies capacity, while guidance supplies judgment. Their complementarity is a proposal mechanism, not numerical addition.",
        "qualification": "Every organization, value and assertion in this example is fictional. Replace it with approved, sourced content before use."
      },
      "narrative_fit": {
        "before": "Explain why either ingredient alone leaves a gap.",
        "after": "Show the combined service and the evidence needed to test it.",
        "good_uses": [
          "A two-part mechanism or partnership explanation."
        ],
        "poor_fits": [
          "A precise causal or mathematical claim without support.",
          "Two unrelated benefits linked only by a plus sign."
        ]
      },
      "evidence": {
        "observations": [
          "Current default shows two equal term boxes separated by a plus; result is hidden until selected.",
          "Viewed source capture is blurred; only arrangement is observable."
        ],
        "interpretations": [
          "The communication job and reuse advice are inferred from the current arrangement and slot contract, not independently confirmed source intent."
        ],
        "not_verified": [
          "Original author intent, factual accuracy of sample copy and persuasion effects are not verified.",
          "No confidential archive or proposal corpus was used."
        ],
        "references": [
          "dist/S75-equation/spread.json",
          "dist/S75-equation/spread.html",
          "02_product/spreads/S75-equation/source.webp (viewed for arrangement)"
        ]
      },
      "review": {
        "status": "reviewed",
        "basis": "Motif inspected current metadata, active markup and the retained source arrangement, then checked the fictional example against the content roles. This is a layout-contract adaptation review."
      },
      "variation_relationship": "base"
    }
  },
  "options": [
    {
      "id": "result",
      "what": "A + B = C: an equals sign and a third box on the plate colour"
    }
  ],
  "also_seen_in": [],
  "source": {
    "ref": "Private deck reference; original evidence retained in the private Spreads library."
  }
}
