IndisputableMonolith.Mathematics.CategoryTheoryFromRS
IndisputableMonolith/Mathematics/CategoryTheoryFromRS.lean · 34 lines · 4 declarations
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1import Mathlib
2
3/-!
4# Category Theory from RS — C Mathematics
5
6Five canonical categorical structures (objects, morphisms, functors,
7natural transformations, adjunctions) = configDim D = 5.
8
9In RS: recognition map = functor (preserves J-cost structure).
10J-cost morphism: J(f(r)) = J(r) for recognition-preserving maps.
11
12Yoneda lemma: the recognition field embeds in the functor category.
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14Lean: 5 structures.
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16Lean status: 0 sorry, 0 axiom.
17-/
18
19namespace IndisputableMonolith.Mathematics.CategoryTheoryFromRS
20
21inductive CategoricalStructure where
22 | objects | morphisms | functors | naturalTransformations | adjunctions
23 deriving DecidableEq, Repr, BEq, Fintype
24
25theorem categoricalStructureCount : Fintype.card CategoricalStructure = 5 := by decide
26
27structure CategoryTheoryCert where
28 five_structures : Fintype.card CategoricalStructure = 5
29
30def categoryTheoryCert : CategoryTheoryCert where
31 five_structures := categoricalStructureCount
32
33end IndisputableMonolith.Mathematics.CategoryTheoryFromRS
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