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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 2764 | . . 3 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 3 | eqid 2764 | . . 3 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 4 | eqid 2764 | . . 3 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 5 | eqid 2764 | . . 3 ⊢ (comp‘𝐷) = (comp‘𝐷) | |
| 6 | 1, 2, 3, 4, 5 | natfval 17984 | . 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 7639 | 1 ⊢ (𝐴 ∈ (𝐹𝑁𝐺) → (𝐹 ∈ (𝐶 Func 𝐷) ∧ 𝐺 ∈ (𝐶 Func 𝐷))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1562 ∈ wcel 2144 ∀wral 3078 {crab 3416 ⦋csb 3854 〈cop 4590 ‘cfv 6523 (class class class)co 7398 1st c1st 7970 2nd c2nd 7971 Xcixp 8881 Basecbs 17247 Hom chom 17299 compcco 17300 Func cfunc 17889 Nat cnat 17979 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-rep 5229 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3079 df-rex 3089 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-id 5544 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-ov 7401 df-oprab 7402 df-mpo 7403 df-1st 7972 df-2nd 7973 df-ixp 8882 df-func 17893 df-nat 17981 |
| This theorem is referenced by: nat1st2nd 17989 natixp 17990 nati 17993 fucco 18000 fuccocl 18002 fuclid 18004 fucrid 18005 fucass 18006 natrcl2 49850 natrcl3 49851 natoppf2 49856 natoppfb 49857 xpcfucco2 49882 fuco22nat 49972 fuco22a 49976 fucocolem1 49979 fucocolem2 49980 fucocolem3 49981 fucocolem4 49982 fucoco 49983 prcof21a 50017 fucoppcco 50035 lanup 50267 ranup 50268 islmd 50291 iscmd 50292 |
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