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| Mirrors > Home > MPE Home > Th. List > natrcl | Structured version Visualization version GIF version | ||
| Description: Reverse closure for a natural transformation. (Contributed by Mario Carneiro, 6-Jan-2017.) |
| Ref | Expression |
|---|---|
| natrcl.1 | ⊢ 𝑁 = (𝐶 Nat 𝐷) |
| Ref | Expression |
|---|---|
| natrcl | ⊢ (𝐴 ∈ (𝐹𝑁𝐺) → (𝐹 ∈ (𝐶 Func 𝐷) ∧ 𝐺 ∈ (𝐶 Func 𝐷))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | natrcl.1 | . . 3 ⊢ 𝑁 = (𝐶 Nat 𝐷) | |
| 2 | eqid 2737 | . . 3 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 3 | eqid 2737 | . . 3 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 4 | eqid 2737 | . . 3 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 5 | eqid 2737 | . . 3 ⊢ (comp‘𝐷) = (comp‘𝐷) | |
| 6 | 1, 2, 3, 4, 5 | natfval 17877 | . 2 ⊢ 𝑁 = (𝑓 ∈ (𝐶 Func 𝐷), 𝑔 ∈ (𝐶 Func 𝐷) ↦ ⦋(1st ‘𝑓) / 𝑟⦌⦋(1st ‘𝑔) / 𝑠⦌{𝑎 ∈ X𝑥 ∈ (Base‘𝐶)((𝑟‘𝑥)(Hom ‘𝐷)(𝑠‘𝑥)) ∣ ∀𝑥 ∈ (Base‘𝐶)∀𝑦 ∈ (Base‘𝐶)∀ℎ ∈ (𝑥(Hom ‘𝐶)𝑦)((𝑎‘𝑦)(〈(𝑟‘𝑥), (𝑟‘𝑦)〉(comp‘𝐷)(𝑠‘𝑦))((𝑥(2nd ‘𝑓)𝑦)‘ℎ)) = (((𝑥(2nd ‘𝑔)𝑦)‘ℎ)(〈(𝑟‘𝑥), (𝑠‘𝑥)〉(comp‘𝐷)(𝑠‘𝑦))(𝑎‘𝑥))}) |
| 7 | 6 | elmpocl 7601 | 1 ⊢ (𝐴 ∈ (𝐹𝑁𝐺) → (𝐹 ∈ (𝐶 Func 𝐷) ∧ 𝐺 ∈ (𝐶 Func 𝐷))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3052 {crab 3400 ⦋csb 3850 〈cop 4587 ‘cfv 6493 (class class class)co 7360 1st c1st 7933 2nd c2nd 7934 Xcixp 8839 Basecbs 17140 Hom chom 17192 compcco 17193 Func cfunc 17782 Nat cnat 17872 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7682 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1st 7935 df-2nd 7936 df-ixp 8840 df-func 17786 df-nat 17874 |
| This theorem is referenced by: nat1st2nd 17882 natixp 17883 nati 17886 fucco 17893 fuccocl 17895 fuclid 17897 fucrid 17898 fucass 17899 natrcl2 49536 natrcl3 49537 natoppf2 49542 natoppfb 49543 xpcfucco2 49568 fuco22nat 49658 fuco22a 49662 fucocolem1 49665 fucocolem2 49666 fucocolem3 49667 fucocolem4 49668 fucoco 49669 prcof21a 49703 fucoppcco 49721 lanup 49953 ranup 49954 islmd 49977 iscmd 49978 |
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