| Mathbox for Zhi Wang |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > swapciso | Structured version Visualization version GIF version | ||
| Description: The product category is categorically isomorphic to the swapped product category. (Contributed by Zhi Wang, 8-Oct-2025.) |
| Ref | Expression |
|---|---|
| swapfid.c | ⊢ (𝜑 → 𝐶 ∈ Cat) |
| swapfid.d | ⊢ (𝜑 → 𝐷 ∈ Cat) |
| swapfid.s | ⊢ 𝑆 = (𝐶 ×c 𝐷) |
| swapfid.t | ⊢ 𝑇 = (𝐷 ×c 𝐶) |
| swapfiso.e | ⊢ 𝐸 = (CatCat‘𝑈) |
| swapfiso.u | ⊢ (𝜑 → 𝑈 ∈ 𝑉) |
| swapfiso.s | ⊢ (𝜑 → 𝑆 ∈ 𝑈) |
| swapfiso.t | ⊢ (𝜑 → 𝑇 ∈ 𝑈) |
| Ref | Expression |
|---|---|
| swapciso | ⊢ (𝜑 → 𝑆( ≃𝑐 ‘𝐸)𝑇) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2770 | . 2 ⊢ (Iso‘𝐸) = (Iso‘𝐸) | |
| 2 | eqid 2770 | . 2 ⊢ (Base‘𝐸) = (Base‘𝐸) | |
| 3 | swapfiso.u | . . 3 ⊢ (𝜑 → 𝑈 ∈ 𝑉) | |
| 4 | swapfiso.e | . . . 4 ⊢ 𝐸 = (CatCat‘𝑈) | |
| 5 | 4 | catccat 18168 | . . 3 ⊢ (𝑈 ∈ 𝑉 → 𝐸 ∈ Cat) |
| 6 | 3, 5 | syl 18 | . 2 ⊢ (𝜑 → 𝐸 ∈ Cat) |
| 7 | swapfiso.s | . . . 4 ⊢ (𝜑 → 𝑆 ∈ 𝑈) | |
| 8 | swapfid.s | . . . . 5 ⊢ 𝑆 = (𝐶 ×c 𝐷) | |
| 9 | swapfid.c | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ Cat) | |
| 10 | swapfid.d | . . . . 5 ⊢ (𝜑 → 𝐷 ∈ Cat) | |
| 11 | 8, 9, 10 | xpccat 18249 | . . . 4 ⊢ (𝜑 → 𝑆 ∈ Cat) |
| 12 | 7, 11 | elind 4161 | . . 3 ⊢ (𝜑 → 𝑆 ∈ (𝑈 ∩ Cat)) |
| 13 | 4, 2, 3 | catcbas 18161 | . . 3 ⊢ (𝜑 → (Base‘𝐸) = (𝑈 ∩ Cat)) |
| 14 | 12, 13 | eleqtrrd 2873 | . 2 ⊢ (𝜑 → 𝑆 ∈ (Base‘𝐸)) |
| 15 | swapfiso.t | . . . 4 ⊢ (𝜑 → 𝑇 ∈ 𝑈) | |
| 16 | swapfid.t | . . . . 5 ⊢ 𝑇 = (𝐷 ×c 𝐶) | |
| 17 | 16, 10, 9 | xpccat 18249 | . . . 4 ⊢ (𝜑 → 𝑇 ∈ Cat) |
| 18 | 15, 17 | elind 4161 | . . 3 ⊢ (𝜑 → 𝑇 ∈ (𝑈 ∩ Cat)) |
| 19 | 18, 13 | eleqtrrd 2873 | . 2 ⊢ (𝜑 → 𝑇 ∈ (Base‘𝐸)) |
| 20 | 9, 10, 8, 16, 4, 3, 7, 15, 1 | swapfiso 50012 | . 2 ⊢ (𝜑 → (𝐶 swapF 𝐷) ∈ (𝑆(Iso‘𝐸)𝑇)) |
| 21 | 1, 2, 6, 14, 19, 20 | brcici 17860 | 1 ⊢ (𝜑 → 𝑆( ≃𝑐 ‘𝐸)𝑇) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1568 ∈ wcel 2150 ∩ cin 3912 class class class wbr 5114 ‘cfv 6540 (class class class)co 7414 Basecbs 17272 Catccat 17723 Isociso 17806 ≃𝑐 ccic 17855 CatCatccatc 18158 ×c cxpc 18227 swapF cswapf 49986 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2152 ax-9 2160 ax-10 2183 ax-11 2199 ax-12 2220 ax-ext 2742 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5340 ax-pr 5408 ax-un 7736 ax-cnex 11159 ax-resscn 11160 ax-1cn 11161 ax-icn 11162 ax-addcl 11163 ax-addrcl 11164 ax-mulcl 11165 ax-mulrcl 11166 ax-mulcom 11167 ax-addass 11168 ax-mulass 11169 ax-distr 11170 ax-i2m1 11171 ax-1ne0 11172 ax-1rid 11173 ax-rnegex 11174 ax-rrecex 11175 ax-cnre 11176 ax-pre-lttri 11177 ax-pre-lttrn 11178 ax-pre-ltadd 11179 ax-pre-mulgt0 11180 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2099 df-mo 2574 df-eu 2604 df-clab 2749 df-cleq 2762 df-clel 2845 df-nfc 2919 df-ne 2966 df-nel 3072 df-ral 3087 df-rex 3097 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3464 df-sbc 3753 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5560 df-eprel 5565 df-po 5573 df-so 5574 df-fr 5618 df-we 5620 df-xp 5671 df-rel 5672 df-cnv 5673 df-co 5674 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7866 df-1st 7989 df-2nd 7990 df-supp 8160 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8456 df-er 8697 df-map 8829 df-ixp 8899 df-en 8947 df-dom 8948 df-sdom 8949 df-fin 8950 df-pnf 11248 df-mnf 11249 df-xr 11250 df-ltxr 11251 df-le 11252 df-sub 11446 df-neg 11447 df-nn 12237 df-2 12306 df-3 12307 df-4 12308 df-5 12309 df-6 12310 df-7 12311 df-8 12312 df-9 12313 df-n0 12508 df-z 12595 df-dec 12715 df-uz 12866 df-fz 13539 df-struct 17210 df-slot 17245 df-ndx 17257 df-base 17273 df-hom 17337 df-cco 17338 df-cat 17727 df-cid 17728 df-sect 17807 df-inv 17808 df-iso 17809 df-cic 17856 df-func 17918 df-idfu 17919 df-cofu 17920 df-full 17966 df-fth 17967 df-catc 18159 df-xpc 18231 df-swapf 49987 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |