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| Mirrors > Home > MPE Home > Th. List > oppccatf | Structured version Visualization version GIF version | ||
| Description: oppCat restricted to Cat is a function from Cat to Cat. (Contributed by Zhi Wang, 29-Aug-2024.) |
| Ref | Expression |
|---|---|
| oppccatf | ⊢ (oppCat ↾ Cat):Cat⟶Cat |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-oppc 17720 | . . . 4 ⊢ oppCat = (𝑓 ∈ V ↦ ((𝑓 sSet 〈(Hom ‘ndx), tpos (Hom ‘𝑓)〉) sSet 〈(comp‘ndx), (𝑢 ∈ ((Base‘𝑓) × (Base‘𝑓)), 𝑧 ∈ (Base‘𝑓) ↦ tpos (〈𝑧, (2nd ‘𝑢)〉(comp‘𝑓)(1st ‘𝑢)))〉)) | |
| 2 | 1 | funmpt2 6549 | . . 3 ⊢ Fun oppCat |
| 3 | ffvresb 7096 | . . 3 ⊢ (Fun oppCat → ((oppCat ↾ Cat):Cat⟶Cat ↔ ∀𝑐 ∈ Cat (𝑐 ∈ dom oppCat ∧ (oppCat‘𝑐) ∈ Cat))) | |
| 4 | 2, 3 | ax-mp 5 | . 2 ⊢ ((oppCat ↾ Cat):Cat⟶Cat ↔ ∀𝑐 ∈ Cat (𝑐 ∈ dom oppCat ∧ (oppCat‘𝑐) ∈ Cat)) |
| 5 | elex 3469 | . . . 4 ⊢ (𝑐 ∈ Cat → 𝑐 ∈ V) | |
| 6 | ovex 7418 | . . . . 5 ⊢ ((𝑓 sSet 〈(Hom ‘ndx), tpos (Hom ‘𝑓)〉) sSet 〈(comp‘ndx), (𝑢 ∈ ((Base‘𝑓) × (Base‘𝑓)), 𝑧 ∈ (Base‘𝑓) ↦ tpos (〈𝑧, (2nd ‘𝑢)〉(comp‘𝑓)(1st ‘𝑢)))〉) ∈ V | |
| 7 | 6, 1 | dmmpti 6654 | . . . 4 ⊢ dom oppCat = V |
| 8 | 5, 7 | eleqtrrdi 2867 | . . 3 ⊢ (𝑐 ∈ Cat → 𝑐 ∈ dom oppCat) |
| 9 | eqid 2756 | . . . 4 ⊢ (oppCat‘𝑐) = (oppCat‘𝑐) | |
| 10 | 9 | oppccat 17730 | . . 3 ⊢ (𝑐 ∈ Cat → (oppCat‘𝑐) ∈ Cat) |
| 11 | 8, 10 | jca 518 | . 2 ⊢ (𝑐 ∈ Cat → (𝑐 ∈ dom oppCat ∧ (oppCat‘𝑐) ∈ Cat)) |
| 12 | 4, 11 | mprgbir 3077 | 1 ⊢ (oppCat ↾ Cat):Cat⟶Cat |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 ∧ wa 398 ∈ wcel 2136 ∀wral 3070 Vcvv 3448 〈cop 4582 × cxp 5638 dom cdm 5640 ↾ cres 5642 Fun wfun 6504 ⟶wf 6506 ‘cfv 6510 (class class class)co 7385 ∈ cmpo 7387 1st c1st 7957 2nd c2nd 7958 tpos ctpos 8193 sSet csts 17175 ndxcnx 17205 Basecbs 17221 Hom chom 17273 compcco 17274 Catccat 17672 oppCatcoppc 17719 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-10 2169 ax-11 2185 ax-12 2206 ax-ext 2728 ax-rep 5221 ax-sep 5240 ax-nul 5250 ax-pow 5316 ax-pr 5384 ax-un 7707 ax-cnex 11119 ax-resscn 11120 ax-1cn 11121 ax-icn 11122 ax-addcl 11123 ax-addrcl 11124 ax-mulcl 11125 ax-mulrcl 11126 ax-mulcom 11127 ax-addass 11128 ax-mulass 11129 ax-distr 11130 ax-i2m1 11131 ax-1ne0 11132 ax-1rid 11133 ax-rnegex 11134 ax-rrecex 11135 ax-cnre 11136 ax-pre-lttri 11137 ax-pre-lttrn 11138 ax-pre-ltadd 11139 ax-pre-mulgt0 11140 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-nf 1798 df-sb 2085 df-mo 2560 df-eu 2590 df-clab 2735 df-cleq 2748 df-clel 2831 df-nfc 2905 df-ne 2952 df-nel 3056 df-ral 3071 df-rex 3081 df-rmo 3361 df-reu 3362 df-rab 3409 df-v 3450 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4281 df-if 4475 df-pw 4551 df-sn 4577 df-pr 4579 df-op 4583 df-uni 4860 df-iun 4945 df-br 5095 df-opab 5157 df-mpt 5176 df-tr 5202 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6277 df-ord 6338 df-on 6339 df-lim 6340 df-suc 6341 df-iota 6466 df-fun 6512 df-fn 6513 df-f 6514 df-f1 6515 df-fo 6516 df-f1o 6517 df-fv 6518 df-riota 7342 df-ov 7388 df-oprab 7389 df-mpo 7390 df-om 7836 df-1st 7959 df-2nd 7960 df-tpos 8194 df-frecs 8250 df-wrecs 8281 df-recs 8330 df-rdg 8369 df-er 8666 df-en 8917 df-dom 8918 df-sdom 8919 df-pnf 11208 df-mnf 11209 df-xr 11210 df-ltxr 11211 df-le 11212 df-sub 11406 df-neg 11407 df-nn 12201 df-2 12270 df-3 12271 df-4 12272 df-5 12273 df-6 12274 df-7 12275 df-8 12276 df-9 12277 df-n0 12472 df-z 12559 df-dec 12679 df-sets 17176 df-slot 17194 df-ndx 17206 df-base 17222 df-hom 17286 df-cco 17287 df-cat 17676 df-cid 17677 df-oppc 17720 |
| This theorem is referenced by: dfinito3 18014 dftermo3 18015 |
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