| Mathbox for Zhi Wang |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > swapfid | Structured version Visualization version GIF version | ||
| Description: Each identity morphism in the source category is mapped to the corresponding identity morphism in the target category. See also swapfida 49279. (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) |
| swapfid.o | ⊢ (𝜑 → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) |
| swapfid.x | ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) |
| swapfid.y | ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐷)) |
| swapfid.1 | ⊢ 1 = (Id‘𝑆) |
| swapfid.i | ⊢ 𝐼 = (Id‘𝑇) |
| Ref | Expression |
|---|---|
| swapfid | ⊢ (𝜑 → ((〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)‘( 1 ‘〈𝑋, 𝑌〉)) = (𝐼‘(𝑂‘〈𝑋, 𝑌〉))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | swapfid.t | . . 3 ⊢ 𝑇 = (𝐷 ×c 𝐶) | |
| 2 | swapfid.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ Cat) | |
| 3 | swapfid.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ Cat) | |
| 4 | eqid 2729 | . . 3 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 5 | eqid 2729 | . . 3 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 6 | eqid 2729 | . . 3 ⊢ (Id‘𝐷) = (Id‘𝐷) | |
| 7 | eqid 2729 | . . 3 ⊢ (Id‘𝐶) = (Id‘𝐶) | |
| 8 | swapfid.i | . . 3 ⊢ 𝐼 = (Id‘𝑇) | |
| 9 | swapfid.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐷)) | |
| 10 | swapfid.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) | |
| 11 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 | xpcid 18082 | . 2 ⊢ (𝜑 → (𝐼‘〈𝑌, 𝑋〉) = 〈((Id‘𝐷)‘𝑌), ((Id‘𝐶)‘𝑋)〉) |
| 12 | df-ov 7343 | . . . 4 ⊢ (𝑋𝑂𝑌) = (𝑂‘〈𝑋, 𝑌〉) | |
| 13 | swapfid.o | . . . . 5 ⊢ (𝜑 → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) | |
| 14 | 13, 10, 9 | swapf1 49271 | . . . 4 ⊢ (𝜑 → (𝑋𝑂𝑌) = 〈𝑌, 𝑋〉) |
| 15 | 12, 14 | eqtr3id 2778 | . . 3 ⊢ (𝜑 → (𝑂‘〈𝑋, 𝑌〉) = 〈𝑌, 𝑋〉) |
| 16 | 15 | fveq2d 6820 | . 2 ⊢ (𝜑 → (𝐼‘(𝑂‘〈𝑋, 𝑌〉)) = (𝐼‘〈𝑌, 𝑋〉)) |
| 17 | swapfid.s | . . . . 5 ⊢ 𝑆 = (𝐶 ×c 𝐷) | |
| 18 | swapfid.1 | . . . . 5 ⊢ 1 = (Id‘𝑆) | |
| 19 | 17, 3, 2, 5, 4, 7, 6, 18, 10, 9 | xpcid 18082 | . . . 4 ⊢ (𝜑 → ( 1 ‘〈𝑋, 𝑌〉) = 〈((Id‘𝐶)‘𝑋), ((Id‘𝐷)‘𝑌)〉) |
| 20 | 19 | fveq2d 6820 | . . 3 ⊢ (𝜑 → ((〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)‘( 1 ‘〈𝑋, 𝑌〉)) = ((〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)‘〈((Id‘𝐶)‘𝑋), ((Id‘𝐷)‘𝑌)〉)) |
| 21 | df-ov 7343 | . . . 4 ⊢ (((Id‘𝐶)‘𝑋)(〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)((Id‘𝐷)‘𝑌)) = ((〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)‘〈((Id‘𝐶)‘𝑋), ((Id‘𝐷)‘𝑌)〉) | |
| 22 | 21 | a1i 11 | . . 3 ⊢ (𝜑 → (((Id‘𝐶)‘𝑋)(〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)((Id‘𝐷)‘𝑌)) = ((〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)‘〈((Id‘𝐶)‘𝑋), ((Id‘𝐷)‘𝑌)〉)) |
| 23 | eqid 2729 | . . . . 5 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 24 | 5, 23, 7, 3, 10 | catidcl 17575 | . . . 4 ⊢ (𝜑 → ((Id‘𝐶)‘𝑋) ∈ (𝑋(Hom ‘𝐶)𝑋)) |
| 25 | eqid 2729 | . . . . 5 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 26 | 4, 25, 6, 2, 9 | catidcl 17575 | . . . 4 ⊢ (𝜑 → ((Id‘𝐷)‘𝑌) ∈ (𝑌(Hom ‘𝐷)𝑌)) |
| 27 | 13, 10, 9, 10, 9, 24, 26 | swapf2 49273 | . . 3 ⊢ (𝜑 → (((Id‘𝐶)‘𝑋)(〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)((Id‘𝐷)‘𝑌)) = 〈((Id‘𝐷)‘𝑌), ((Id‘𝐶)‘𝑋)〉) |
| 28 | 20, 22, 27 | 3eqtr2d 2770 | . 2 ⊢ (𝜑 → ((〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)‘( 1 ‘〈𝑋, 𝑌〉)) = 〈((Id‘𝐷)‘𝑌), ((Id‘𝐶)‘𝑋)〉) |
| 29 | 11, 16, 28 | 3eqtr4rd 2775 | 1 ⊢ (𝜑 → ((〈𝑋, 𝑌〉𝑃〈𝑋, 𝑌〉)‘( 1 ‘〈𝑋, 𝑌〉)) = (𝐼‘(𝑂‘〈𝑋, 𝑌〉))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 〈cop 4579 ‘cfv 6476 (class class class)co 7340 Basecbs 17107 Hom chom 17159 Catccat 17557 Idccid 17558 ×c cxpc 18061 swapF cswapf 49258 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5214 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5367 ax-un 7662 ax-cnex 11053 ax-resscn 11054 ax-1cn 11055 ax-icn 11056 ax-addcl 11057 ax-addrcl 11058 ax-mulcl 11059 ax-mulrcl 11060 ax-mulcom 11061 ax-addass 11062 ax-mulass 11063 ax-distr 11064 ax-i2m1 11065 ax-1ne0 11066 ax-1rid 11067 ax-rnegex 11068 ax-rrecex 11069 ax-cnre 11070 ax-pre-lttri 11071 ax-pre-lttrn 11072 ax-pre-ltadd 11073 ax-pre-mulgt0 11074 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3343 df-reu 3344 df-rab 3393 df-v 3435 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-tp 4578 df-op 4580 df-uni 4857 df-iun 4940 df-br 5089 df-opab 5151 df-mpt 5170 df-tr 5196 df-id 5508 df-eprel 5513 df-po 5521 df-so 5522 df-fr 5566 df-we 5568 df-xp 5619 df-rel 5620 df-cnv 5621 df-co 5622 df-dm 5623 df-rn 5624 df-res 5625 df-ima 5626 df-pred 6243 df-ord 6304 df-on 6305 df-lim 6306 df-suc 6307 df-iota 6432 df-fun 6478 df-fn 6479 df-f 6480 df-f1 6481 df-fo 6482 df-f1o 6483 df-fv 6484 df-riota 7297 df-ov 7343 df-oprab 7344 df-mpo 7345 df-om 7791 df-1st 7915 df-2nd 7916 df-frecs 8205 df-wrecs 8236 df-recs 8285 df-rdg 8323 df-1o 8379 df-er 8616 df-en 8864 df-dom 8865 df-sdom 8866 df-fin 8867 df-pnf 11139 df-mnf 11140 df-xr 11141 df-ltxr 11142 df-le 11143 df-sub 11337 df-neg 11338 df-nn 12117 df-2 12179 df-3 12180 df-4 12181 df-5 12182 df-6 12183 df-7 12184 df-8 12185 df-9 12186 df-n0 12373 df-z 12460 df-dec 12580 df-uz 12724 df-fz 13399 df-struct 17045 df-slot 17080 df-ndx 17092 df-base 17108 df-hom 17172 df-cco 17173 df-cat 17561 df-cid 17562 df-xpc 18065 df-swapf 49259 |
| This theorem is referenced by: swapfida 49279 |
| Copyright terms: Public domain | W3C validator |