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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 2741 | . . 3 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 3 | eqid 2741 | . . 3 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 4 | eqid 2741 | . . 3 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 5 | eqid 2741 | . . 3 ⊢ (comp‘𝐷) = (comp‘𝐷) | |
| 6 | 1, 2, 3, 4, 5 | natfval 17911 | . 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 397 = wceq 1548 ∈ wcel 2121 ∀wral 3055 {crab 3393 ⦋csb 3833 〈cop 4564 ‘cfv 6489 (class class class)co 7360 1st c1st 7933 2nd c2nd 7934 Xcixp 8839 Basecbs 17174 Hom chom 17226 compcco 17227 Func cfunc 17816 Nat cnat 17906 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5202 ax-sep 5221 ax-nul 5231 ax-pow 5297 ax-pr 5365 ax-un 7682 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-ral 3056 df-rex 3066 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-iun 4926 df-br 5076 df-opab 5138 df-mpt 5157 df-id 5516 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-ov 7363 df-oprab 7364 df-mpo 7365 df-1st 7935 df-2nd 7936 df-ixp 8840 df-func 17820 df-nat 17908 |
| This theorem is referenced by: nat1st2nd 17916 natixp 17917 nati 17920 fucco 17927 fuccocl 17929 fuclid 17931 fucrid 17932 fucass 17933 natrcl2 49728 natrcl3 49729 natoppf2 49734 natoppfb 49735 xpcfucco2 49760 fuco22nat 49850 fuco22a 49854 fucocolem1 49857 fucocolem2 49858 fucocolem3 49859 fucocolem4 49860 fucoco 49861 prcof21a 49895 fucoppcco 49913 lanup 50145 ranup 50146 islmd 50169 iscmd 50170 |
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