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| Mirrors > Home > MPE Home > Th. List > Mathboxes > swapf2 | Structured version Visualization version GIF version | ||
| Description: The morphism part of the swap functor swaps the morphisms. (Contributed by Zhi Wang, 7-Oct-2025.) |
| Ref | Expression |
|---|---|
| swapf1.o | ⊢ (𝜑 → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) |
| swapf1.x | ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) |
| swapf1.y | ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐷)) |
| swapf2.z | ⊢ (𝜑 → 𝑍 ∈ (Base‘𝐶)) |
| swapf2.w | ⊢ (𝜑 → 𝑊 ∈ (Base‘𝐷)) |
| swapf2.f | ⊢ (𝜑 → 𝐹 ∈ (𝑋(Hom ‘𝐶)𝑍)) |
| swapf2.g | ⊢ (𝜑 → 𝐺 ∈ (𝑌(Hom ‘𝐷)𝑊)) |
| Ref | Expression |
|---|---|
| swapf2 | ⊢ (𝜑 → (𝐹(〈𝑋, 𝑌〉𝑃〈𝑍, 𝑊〉)𝐺) = 〈𝐺, 𝐹〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ov 7454 | . 2 ⊢ (𝐹(〈𝑋, 𝑌〉𝑃〈𝑍, 𝑊〉)𝐺) = ((〈𝑋, 𝑌〉𝑃〈𝑍, 𝑊〉)‘〈𝐹, 𝐺〉) | |
| 2 | swapf1.o | . . . 4 ⊢ (𝜑 → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) | |
| 3 | swapf1.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) | |
| 4 | swapf1.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐷)) | |
| 5 | swapf2.z | . . . 4 ⊢ (𝜑 → 𝑍 ∈ (Base‘𝐶)) | |
| 6 | swapf2.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ (Base‘𝐷)) | |
| 7 | eqid 2763 | . . . 4 ⊢ (𝐶 ×c 𝐷) = (𝐶 ×c 𝐷) | |
| 8 | eqidd 2764 | . . . 4 ⊢ (𝜑 → (Hom ‘(𝐶 ×c 𝐷)) = (Hom ‘(𝐶 ×c 𝐷))) | |
| 9 | 2, 3, 4, 5, 6, 7, 8 | swapf2val 50726 | . . 3 ⊢ (𝜑 → (〈𝑋, 𝑌〉𝑃〈𝑍, 𝑊〉) = (𝑓 ∈ (〈𝑋, 𝑌〉(Hom ‘(𝐶 ×c 𝐷))〈𝑍, 𝑊〉) ↦ ∪ ◡{𝑓})) |
| 10 | simpr 490 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑓 = 〈𝐹, 𝐺〉) → 𝑓 = 〈𝐹, 𝐺〉) | |
| 11 | 10 | sneqd 4596 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑓 = 〈𝐹, 𝐺〉) → {𝑓} = {〈𝐹, 𝐺〉}) |
| 12 | 11 | cnveqd 5865 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 = 〈𝐹, 𝐺〉) → ◡{𝑓} = ◡{〈𝐹, 𝐺〉}) |
| 13 | 12 | unieqd 4885 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 = 〈𝐹, 𝐺〉) → ∪ ◡{𝑓} = ∪ ◡{〈𝐹, 𝐺〉}) |
| 14 | opswap 6249 | . . . 4 ⊢ ∪ ◡{〈𝐹, 𝐺〉} = 〈𝐺, 𝐹〉 | |
| 15 | 13, 14 | eqtrdi 2814 | . . 3 ⊢ ((𝜑 ∧ 𝑓 = 〈𝐹, 𝐺〉) → ∪ ◡{𝑓} = 〈𝐺, 𝐹〉) |
| 16 | swapf2.f | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ (𝑋(Hom ‘𝐶)𝑍)) | |
| 17 | swapf2.g | . . . . 5 ⊢ (𝜑 → 𝐺 ∈ (𝑌(Hom ‘𝐷)𝑊)) | |
| 18 | 16, 17 | opelxpd 5697 | . . . 4 ⊢ (𝜑 → 〈𝐹, 𝐺〉 ∈ ((𝑋(Hom ‘𝐶)𝑍) × (𝑌(Hom ‘𝐷)𝑊))) |
| 19 | eqid 2763 | . . . . 5 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 20 | eqid 2763 | . . . . 5 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 21 | eqid 2763 | . . . . 5 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 22 | eqid 2763 | . . . . 5 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 23 | eqid 2763 | . . . . 5 ⊢ (Hom ‘(𝐶 ×c 𝐷)) = (Hom ‘(𝐶 ×c 𝐷)) | |
| 24 | 7, 19, 20, 21, 22, 3, 4, 5, 6, 23 | xpchom2 18410 | . . . 4 ⊢ (𝜑 → (〈𝑋, 𝑌〉(Hom ‘(𝐶 ×c 𝐷))〈𝑍, 𝑊〉) = ((𝑋(Hom ‘𝐶)𝑍) × (𝑌(Hom ‘𝐷)𝑊))) |
| 25 | 18, 24 | eleqtrrd 2867 | . . 3 ⊢ (𝜑 → 〈𝐹, 𝐺〉 ∈ (〈𝑋, 𝑌〉(Hom ‘(𝐶 ×c 𝐷))〈𝑍, 𝑊〉)) |
| 26 | opex 5439 | . . . 4 ⊢ 〈𝐺, 𝐹〉 ∈ V | |
| 27 | 26 | a1i 11 | . . 3 ⊢ (𝜑 → 〈𝐺, 𝐹〉 ∈ V) |
| 28 | 9, 15, 25, 27 | fvmptd 7032 | . 2 ⊢ (𝜑 → ((〈𝑋, 𝑌〉𝑃〈𝑍, 𝑊〉)‘〈𝐹, 𝐺〉) = 〈𝐺, 𝐹〉) |
| 29 | 1, 28 | eqtrid 2810 | 1 ⊢ (𝜑 → (𝐹(〈𝑋, 𝑌〉𝑃〈𝑍, 𝑊〉)𝐺) = 〈𝐺, 𝐹〉) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 Vcvv 3454 {csn 4588 〈cop 4840 ∪ cuni 4872 × cxp 5656 ◡ccnv 5657 ‘cfv 6566 (class class class)co 7451 Basecbs 17431 Hom chom 17483 ×c cxpc 18392 swapF cswapf 50712 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-fz 13680 df-struct 17369 df-slot 17404 df-ndx 17416 df-base 17432 df-hom 17497 df-cco 17498 df-xpc 18396 df-swapf 50713 |
| This theorem is used by: swapfid 50732 cofuswapf2 50748 |
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