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| Mirrors > Home > MPE Home > Th. List > oppcco | Structured version Visualization version GIF version | ||
| Description: Composition in the opposite category. (Contributed by Mario Carneiro, 2-Jan-2017.) |
| Ref | Expression |
|---|---|
| oppcco.b | ⊢ 𝐵 = (Base‘𝐶) |
| oppcco.c | ⊢ · = (comp‘𝐶) |
| oppcco.o | ⊢ 𝑂 = (oppCat‘𝐶) |
| oppcco.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| oppcco.y | ⊢ (𝜑 → 𝑌 ∈ 𝐵) |
| oppcco.z | ⊢ (𝜑 → 𝑍 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| oppcco | ⊢ (𝜑 → (𝐺(〈𝑋, 𝑌〉(comp‘𝑂)𝑍)𝐹) = (𝐹(〈𝑍, 𝑌〉 · 𝑋)𝐺)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | oppcco.b | . . . 4 ⊢ 𝐵 = (Base‘𝐶) | |
| 2 | oppcco.c | . . . 4 ⊢ · = (comp‘𝐶) | |
| 3 | oppcco.o | . . . 4 ⊢ 𝑂 = (oppCat‘𝐶) | |
| 4 | oppcco.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 5 | oppcco.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ 𝐵) | |
| 6 | oppcco.z | . . . 4 ⊢ (𝜑 → 𝑍 ∈ 𝐵) | |
| 7 | 1, 2, 3, 4, 5, 6 | oppccofval 17749 | . . 3 ⊢ (𝜑 → (〈𝑋, 𝑌〉(comp‘𝑂)𝑍) = tpos (〈𝑍, 𝑌〉 · 𝑋)) |
| 8 | 7 | oveqd 7414 | . 2 ⊢ (𝜑 → (𝐺(〈𝑋, 𝑌〉(comp‘𝑂)𝑍)𝐹) = (𝐺tpos (〈𝑍, 𝑌〉 · 𝑋)𝐹)) |
| 9 | ovtpos 8222 | . 2 ⊢ (𝐺tpos (〈𝑍, 𝑌〉 · 𝑋)𝐹) = (𝐹(〈𝑍, 𝑌〉 · 𝑋)𝐺) | |
| 10 | 8, 9 | eqtrdi 2814 | 1 ⊢ (𝜑 → (𝐺(〈𝑋, 𝑌〉(comp‘𝑂)𝑍)𝐹) = (𝐹(〈𝑍, 𝑌〉 · 𝑋)𝐺)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1561 ∈ wcel 2143 〈cop 4589 ‘cfv 6522 (class class class)co 7397 tpos ctpos 8206 Basecbs 17246 compcco 17299 oppCatcoppc 17744 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5228 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7719 ax-cnex 11130 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-addrcl 11135 ax-mulcl 11136 ax-mulrcl 11137 ax-mulcom 11138 ax-addass 11139 ax-mulass 11140 ax-distr 11141 ax-i2m1 11142 ax-1ne0 11143 ax-1rid 11144 ax-rnegex 11145 ax-rrecex 11146 ax-cnre 11147 ax-pre-lttri 11148 ax-pre-lttrn 11149 ax-pre-ltadd 11150 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5102 df-opab 5164 df-mpt 5183 df-tr 5209 df-id 5543 df-eprel 5548 df-po 5556 df-so 5557 df-fr 5601 df-we 5603 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-pred 6289 df-ord 6350 df-on 6351 df-lim 6352 df-suc 6353 df-iota 6478 df-fun 6524 df-fn 6525 df-f 6526 df-f1 6527 df-fo 6528 df-f1o 6529 df-fv 6530 df-ov 7400 df-oprab 7401 df-mpo 7402 df-om 7848 df-1st 7971 df-2nd 7972 df-tpos 8207 df-frecs 8263 df-wrecs 8294 df-recs 8343 df-rdg 8382 df-er 8679 df-en 8929 df-dom 8930 df-sdom 8931 df-pnf 11219 df-mnf 11220 df-ltxr 11222 df-nn 12212 df-2 12281 df-3 12282 df-4 12283 df-5 12284 df-6 12285 df-7 12286 df-8 12287 df-9 12288 df-n0 12483 df-dec 12690 df-sets 17201 df-slot 17219 df-ndx 17231 df-cco 17312 df-oppc 17745 |
| This theorem is referenced by: oppccatid 17752 2oppccomf 17758 oppccomfpropd 17760 isepi 17774 epii 17777 oppcsect 17812 funcoppc 17909 hofcl 18292 yon12 18298 yon2 18299 yonedalem4c 18310 oppcup 49829 natoppf 49851 fucoppcco 50031 oppcthinco 50061 oppcthinendcALT 50063 |
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