Mercurial > hg > Members > kono > Proof > category
comparison nat.agda @ 27:d9c2386a18a8
fix
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Jul 2013 22:17:23 +0900 |
parents | ad62c87659ef |
children | 5289c46d8eef |
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26:ad62c87659ef | 27:d9c2386a18a8 |
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179 | 179 |
180 infixr 2 _∎ | 180 infixr 2 _∎ |
181 infixr 2 _≈⟨_⟩_ | 181 infixr 2 _≈⟨_⟩_ |
182 infix 1 begin_ | 182 infix 1 begin_ |
183 | 183 |
184 ------ If we have this, for example, as an axiom of a category, we can use ≡-Reasoning directly | |
185 -- ≈-to-≡ : {a b : Obj A } { x y : Hom A a b } -> A [ x ≈ y ] -> x ≡ y | |
186 -- ≈-to-≡ refl-hom = refl | |
184 | 187 |
185 data _IsRelatedTo_ { a b : Obj A } ( x y : Hom A a b ) : | 188 data _IsRelatedTo_ { a b : Obj A } ( x y : Hom A a b ) : |
186 Set (suc (c₁ ⊔ c₂ ⊔ ℓ )) where | 189 Set (suc (c₁ ⊔ c₂ ⊔ ℓ )) where |
187 relTo : (x≈y : A [ x ≈ y ] ) → x IsRelatedTo y | 190 relTo : (x≈y : A [ x ≈ y ] ) → x IsRelatedTo y |
188 | 191 |
288 join k d h ( A [ Trans μ c o A [ FMap T g o f ] ] ) | 291 join k d h ( A [ Trans μ c o A [ FMap T g o f ] ] ) |
289 ≈⟨ refl-hom ⟩ | 292 ≈⟨ refl-hom ⟩ |
290 A [ Trans μ d o A [ FMap T h o A [ Trans μ c o A [ FMap T g o f ] ] ] ] | 293 A [ Trans μ d o A [ FMap T h o A [ Trans μ c o A [ FMap T g o f ] ] ] ] |
291 ≈⟨ cdr-eq ( Trans μ d ) ( cdr-eq ( FMap T h ) ( assoc )) ⟩ | 294 ≈⟨ cdr-eq ( Trans μ d ) ( cdr-eq ( FMap T h ) ( assoc )) ⟩ |
292 A [ Trans μ d o A [ FMap T h o A [ A [ Trans μ c o FMap T g ] o f ] ] ] | 295 A [ Trans μ d o A [ FMap T h o A [ A [ Trans μ c o FMap T g ] o f ] ] ] |
293 ≈⟨ assoc ⟩ --- A [ f x A [ g x h ] ] = A [ A [ f x g ] x h ] | 296 ≈⟨ assoc ⟩ --- A [ f o A [ g o h ] ] = A [ A [ f o g ] o h ] |
294 A [ A [ Trans μ d o FMap T h ] o A [ A [ Trans μ c o FMap T g ] o f ] ] | 297 A [ A [ Trans μ d o FMap T h ] o A [ A [ Trans μ c o FMap T g ] o f ] ] |
295 ≈⟨ assoc ⟩ | 298 ≈⟨ assoc ⟩ |
296 A [ A [ A [ Trans μ d o FMap T h ] o A [ Trans μ c o FMap T g ] ] o f ] | 299 A [ A [ A [ Trans μ d o FMap T h ] o A [ Trans μ c o FMap T g ] ] o f ] |
297 ≈⟨ car-eq f (sym assoc) ⟩ | 300 ≈⟨ car-eq f (sym assoc) ⟩ |
298 A [ A [ Trans μ d o A [ FMap T h o A [ Trans μ c o FMap T g ] ] ] o f ] | 301 A [ A [ Trans μ d o A [ FMap T h o A [ Trans μ c o FMap T g ] ] ] o f ] |
313 A [ A [ Trans μ d o A [ Trans μ ( FObj T d) o A [ FMap T ( FMap T h ) o FMap T g ] ] ] o f ] | 316 A [ A [ Trans μ d o A [ Trans μ ( FObj T d) o A [ FMap T ( FMap T h ) o FMap T g ] ] ] o f ] |
314 ≈⟨ car-eq f ( cdr-eq ( Trans μ d) (cdr-eq (Trans μ ( FObj T d) ) (sym (distr T )))) ⟩ | 317 ≈⟨ car-eq f ( cdr-eq ( Trans μ d) (cdr-eq (Trans μ ( FObj T d) ) (sym (distr T )))) ⟩ |
315 A [ A [ Trans μ d o A [ Trans μ ( FObj T d) o FMap T ( A [ FMap T h o g ] ) ] ] o f ] | 318 A [ A [ Trans μ d o A [ Trans μ ( FObj T d) o FMap T ( A [ FMap T h o g ] ) ] ] o f ] |
316 ≈⟨ car-eq f assoc ⟩ | 319 ≈⟨ car-eq f assoc ⟩ |
317 A [ A [ A [ Trans μ d o Trans μ ( FObj T d) ] o FMap T ( A [ FMap T h o g ] ) ] o f ] | 320 A [ A [ A [ Trans μ d o Trans μ ( FObj T d) ] o FMap T ( A [ FMap T h o g ] ) ] o f ] |
318 ≈⟨ car-eq f ( car-eq (FMap T ( A [ FMap T h o g ] )) ( IsMonad.assoc ( isMonad m ))) ⟩ | 321 ≈⟨ car-eq f ( car-eq (FMap T ( A [ FMap T h o g ] )) ( |
322 begin | |
323 A [ Trans μ d o Trans μ (FObj T d) ] | |
324 ≈⟨ IsMonad.assoc ( isMonad m) ⟩ | |
325 A [ Trans μ d o FMap T (Trans μ d) ] | |
326 ∎ | |
327 )) ⟩ | |
319 A [ A [ A [ Trans μ d o FMap T ( Trans μ d) ] o FMap T ( A [ FMap T h o g ] ) ] o f ] | 328 A [ A [ A [ Trans μ d o FMap T ( Trans μ d) ] o FMap T ( A [ FMap T h o g ] ) ] o f ] |
320 ≈⟨ car-eq f (sym assoc) ⟩ | 329 ≈⟨ car-eq f (sym assoc) ⟩ |
321 A [ A [ Trans μ d o A [ FMap T ( Trans μ d ) o FMap T ( A [ FMap T h o g ] ) ] ] o f ] | 330 A [ A [ Trans μ d o A [ FMap T ( Trans μ d ) o FMap T ( A [ FMap T h o g ] ) ] ] o f ] |
322 ≈⟨ sym assoc ⟩ | 331 ≈⟨ sym assoc ⟩ |
323 A [ Trans μ d o A [ A [ FMap T ( Trans μ d ) o FMap T ( A [ FMap T h o g ] ) ] o f ] ] | 332 A [ Trans μ d o A [ A [ FMap T ( Trans μ d ) o FMap T ( A [ FMap T h o g ] ) ] o f ] ] |