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| Mirrors > Home > MPE Home > Th. List > Mathboxes > oppfdiag1a | Structured version Visualization version GIF version | ||
| Description: A constant functor for opposite categories is the opposite functor of the constant functor for original categories. (Contributed by Zhi Wang, 19-Nov-2025.) |
| Ref | Expression |
|---|---|
| oppfdiag.o | ⊢ 𝑂 = (oppCat‘𝐶) |
| oppfdiag.p | ⊢ 𝑃 = (oppCat‘𝐷) |
| oppfdiag.l | ⊢ 𝐿 = (𝐶Δfunc𝐷) |
| oppfdiag.c | ⊢ (𝜑 → 𝐶 ∈ Cat) |
| oppfdiag.d | ⊢ (𝜑 → 𝐷 ∈ Cat) |
| oppfdiag1a.a | ⊢ 𝐴 = (Base‘𝐶) |
| oppfdiag1a.x | ⊢ (𝜑 → 𝑋 ∈ 𝐴) |
| Ref | Expression |
|---|---|
| oppfdiag1a | ⊢ (𝜑 → ( oppFunc ‘((1st ‘𝐿)‘𝑋)) = ((1st ‘(𝑂Δfunc𝑃))‘𝑋)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oppfdiag.l | . . . 4 ⊢ 𝐿 = (𝐶Δfunc𝐷) | |
| 2 | oppfdiag.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ Cat) | |
| 3 | oppfdiag.d | . . . 4 ⊢ (𝜑 → 𝐷 ∈ Cat) | |
| 4 | oppfdiag1a.a | . . . 4 ⊢ 𝐴 = (Base‘𝐶) | |
| 5 | oppfdiag1a.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐴) | |
| 6 | eqid 2761 | . . . 4 ⊢ ((1st ‘𝐿)‘𝑋) = ((1st ‘𝐿)‘𝑋) | |
| 7 | 1, 2, 3, 4, 5, 6 | diag1cl 18409 | . . 3 ⊢ (𝜑 → ((1st ‘𝐿)‘𝑋) ∈ (𝐷 Func 𝐶)) |
| 8 | 7 | fvresd 6903 | . 2 ⊢ (𝜑 → (( oppFunc ↾ (𝐷 Func 𝐶))‘((1st ‘𝐿)‘𝑋)) = ( oppFunc ‘((1st ‘𝐿)‘𝑋))) |
| 9 | oppfdiag.o | . . 3 ⊢ 𝑂 = (oppCat‘𝐶) | |
| 10 | oppfdiag.p | . . 3 ⊢ 𝑃 = (oppCat‘𝐷) | |
| 11 | eqidd 2762 | . . 3 ⊢ (𝜑 → ( oppFunc ↾ (𝐷 Func 𝐶)) = ( oppFunc ↾ (𝐷 Func 𝐶))) | |
| 12 | 9, 10, 1, 2, 3, 11, 4, 5 | oppfdiag1 50491 | . 2 ⊢ (𝜑 → (( oppFunc ↾ (𝐷 Func 𝐶))‘((1st ‘𝐿)‘𝑋)) = ((1st ‘(𝑂Δfunc𝑃))‘𝑋)) |
| 13 | 8, 12 | eqtr3d 2798 | 1 ⊢ (𝜑 → ( oppFunc ‘((1st ‘𝐿)‘𝑋)) = ((1st ‘(𝑂Δfunc𝑃))‘𝑋)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ↾ cres 5653 ‘cfv 6537 (class class class)co 7418 1st c1st 7997 Basecbs 17380 Catccat 17831 oppCatcoppc 17878 Func cfunc 18022 Δfunccdiag 18379 oppFunc coppf 50199 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-om 7876 df-1st 7999 df-2nd 8000 df-tpos 8236 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-1o 8469 df-er 8710 df-map 8842 df-ixp 8919 df-en 8967 df-dom 8968 df-sdom 8969 df-fin 8970 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-nn 12329 df-2 12398 df-3 12399 df-4 12400 df-5 12401 df-6 12402 df-7 12403 df-8 12404 df-9 12405 df-n0 12600 df-z 12687 df-dec 12808 df-uz 12959 df-fz 13633 df-struct 17318 df-sets 17335 df-slot 17353 df-ndx 17365 df-base 17381 df-hom 17445 df-cco 17446 df-cat 17835 df-cid 17836 df-homf 17837 df-comf 17838 df-oppc 17879 df-sect 17915 df-inv 17916 df-iso 17917 df-func 18026 df-idfu 18027 df-cofu 18028 df-full 18074 df-fth 18075 df-nat 18114 df-fuc 18115 df-catc 18267 df-xpc 18339 df-1stf 18340 df-curf 18381 df-diag 18383 df-oppf 50200 |
| This theorem is used by: lmddu 50744 |
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