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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 7421 | . 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 2761 | . . . 4 ⊢ (𝐶 ×c 𝐷) = (𝐶 ×c 𝐷) | |
| 8 | eqidd 2762 | . . . 4 ⊢ (𝜑 → (Hom ‘(𝐶 ×c 𝐷)) = (Hom ‘(𝐶 ×c 𝐷))) | |
| 9 | 2, 3, 4, 5, 6, 7, 8 | swapf2val 50350 | . . 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 5853 | . . . . 5 ⊢ ((𝜑 ∧ 𝑓 = 〈𝐹, 𝐺〉) → ◡{𝑓} = ◡{〈𝐹, 𝐺〉}) |
| 13 | 12 | unieqd 4880 | . . . 4 ⊢ ((𝜑 ∧ 𝑓 = 〈𝐹, 𝐺〉) → ∪ ◡{𝑓} = ∪ ◡{〈𝐹, 𝐺〉}) |
| 14 | opswap 6229 | . . . 4 ⊢ ∪ ◡{〈𝐹, 𝐺〉} = 〈𝐺, 𝐹〉 | |
| 15 | 13, 14 | eqtrdi 2812 | . . 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 5690 | . . . 4 ⊢ (𝜑 → 〈𝐹, 𝐺〉 ∈ ((𝑋(Hom ‘𝐶)𝑍) × (𝑌(Hom ‘𝐷)𝑊))) |
| 19 | eqid 2761 | . . . . 5 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 20 | eqid 2761 | . . . . 5 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 21 | eqid 2761 | . . . . 5 ⊢ (Hom ‘𝐶) = (Hom ‘𝐶) | |
| 22 | eqid 2761 | . . . . 5 ⊢ (Hom ‘𝐷) = (Hom ‘𝐷) | |
| 23 | eqid 2761 | . . . . 5 ⊢ (Hom ‘(𝐶 ×c 𝐷)) = (Hom ‘(𝐶 ×c 𝐷)) | |
| 24 | 7, 19, 20, 21, 22, 3, 4, 5, 6, 23 | xpchom2 18353 | . . . 4 ⊢ (𝜑 → (〈𝑋, 𝑌〉(Hom ‘(𝐶 ×c 𝐷))〈𝑍, 𝑊〉) = ((𝑋(Hom ‘𝐶)𝑍) × (𝑌(Hom ‘𝐷)𝑊))) |
| 25 | 18, 24 | eleqtrrd 2864 | . . 3 ⊢ (𝜑 → 〈𝐹, 𝐺〉 ∈ (〈𝑋, 𝑌〉(Hom ‘(𝐶 ×c 𝐷))〈𝑍, 𝑊〉)) |
| 26 | opex 5432 | . . . 4 ⊢ 〈𝐺, 𝐹〉 ∈ V | |
| 27 | 26 | a1i 11 | . . 3 ⊢ (𝜑 → 〈𝐺, 𝐹〉 ∈ V) |
| 28 | 9, 15, 25, 27 | fvmptd 6999 | . 2 ⊢ (𝜑 → ((〈𝑋, 𝑌〉𝑃〈𝑍, 𝑊〉)‘〈𝐹, 𝐺〉) = 〈𝐺, 𝐹〉) |
| 29 | 1, 28 | eqtrid 2808 | 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 2145 Vcvv 3451 {csn 4584 〈cop 4590 ∪ cuni 4867 × cxp 5649 ◡ccnv 5650 ‘cfv 6537 (class class class)co 7418 Basecbs 17380 Hom chom 17432 ×c cxpc 18335 swapF cswapf 50336 |
| 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-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-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-1o 8469 df-er 8710 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-slot 17353 df-ndx 17365 df-base 17381 df-hom 17445 df-cco 17446 df-xpc 18339 df-swapf 50337 |
| This theorem is used by: swapfid 50356 cofuswapf2 50372 |
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