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| Mirrors > Home > MPE Home > Th. List > oppchomf | Structured version Visualization version GIF version | ||
| Description: Hom-sets of the opposite category. (Contributed by Mario Carneiro, 17-Jan-2017.) |
| Ref | Expression |
|---|---|
| oppcbas.1 | ⊢ 𝑂 = (oppCat‘𝐶) |
| oppchomf.h | ⊢ 𝐻 = (Homf ‘𝐶) |
| Ref | Expression |
|---|---|
| oppchomf | ⊢ tpos 𝐻 = (Homf ‘𝑂) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2760 | . . . . 5 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 2 | oppcbas.1 | . . . . 5 ⊢ 𝑂 = (oppCat‘𝐶) | |
| 3 | 1, 2 | oppchom 17898 | . . . 4 ⊢ (𝑦(Hom ‘𝑂)𝑥) = (𝑥(Hom ‘𝐶)𝑦) |
| 4 | 3 | a1i 11 | . . 3 ⊢ ((𝑦 ∈ (Base‘𝐶) ∧ 𝑥 ∈ (Base‘𝐶)) → (𝑦(Hom ‘𝑂)𝑥) = (𝑥(Hom ‘𝐶)𝑦)) |
| 5 | 4 | mpoeq3ia 7502 | . 2 ⊢ (𝑦 ∈ (Base‘𝐶), 𝑥 ∈ (Base‘𝐶) ↦ (𝑦(Hom ‘𝑂)𝑥)) = (𝑦 ∈ (Base‘𝐶), 𝑥 ∈ (Base‘𝐶) ↦ (𝑥(Hom ‘𝐶)𝑦)) |
| 6 | eqid 2760 | . . 3 ⊢ (Homf ‘𝑂) = (Homf ‘𝑂) | |
| 7 | eqid 2760 | . . . 4 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 8 | 2, 7 | oppcbas 17901 | . . 3 ⊢ (Base‘𝐶) = (Base‘𝑂) |
| 9 | eqid 2760 | . . 3 ⊢ (Hom ‘𝑂) = (Hom ‘𝑂) | |
| 10 | 6, 8, 9 | homffval 17873 | . 2 ⊢ (Homf ‘𝑂) = (𝑦 ∈ (Base‘𝐶), 𝑥 ∈ (Base‘𝐶) ↦ (𝑦(Hom ‘𝑂)𝑥)) |
| 11 | oppchomf.h | . . . 4 ⊢ 𝐻 = (Homf ‘𝐶) | |
| 12 | 11, 7, 1 | homffval 17873 | . . 3 ⊢ 𝐻 = (𝑥 ∈ (Base‘𝐶), 𝑦 ∈ (Base‘𝐶) ↦ (𝑥(Hom ‘𝐶)𝑦)) |
| 13 | 12 | tposmpo 8288 | . 2 ⊢ tpos 𝐻 = (𝑦 ∈ (Base‘𝐶), 𝑥 ∈ (Base‘𝐶) ↦ (𝑥(Hom ‘𝐶)𝑦)) |
| 14 | 5, 10, 13 | 3eqtr4ri 2794 | 1 ⊢ tpos 𝐻 = (Homf ‘𝑂) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 = wceq 1569 ∈ wcel 2144 ‘cfv 6543 (class class class)co 7424 ∈ cmpo 7426 tpos ctpos 8250 Basecbs 17396 Hom chom 17448 Homf chomf 17849 oppCatcoppc 17894 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 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 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-1st 8005 df-2nd 8006 df-tpos 8251 df-frecs 8307 df-wrecs 8338 df-recs 8387 df-rdg 8426 df-er 8725 df-en 8982 df-dom 8983 df-sdom 8984 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-nn 12343 df-2 12412 df-3 12413 df-4 12414 df-5 12415 df-6 12416 df-7 12417 df-8 12418 df-9 12419 df-n0 12614 df-z 12701 df-dec 12822 df-sets 17351 df-slot 17369 df-ndx 17381 df-base 17397 df-hom 17461 df-cco 17462 df-homf 17853 df-oppc 17895 |
| This theorem is used by: 2oppchomf 17907 oppchomfpropd 17909 oppchofcl 18443 oyoncl 18453 oppcendc 50268 |
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