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| Mirrors > Home > MPE Home > Th. List > Mathboxes > swapf1 | Structured version Visualization version GIF version | ||
| Description: The object part of the swap functor swaps the objects. (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)) |
| Ref | Expression |
|---|---|
| swapf1 | ⊢ (𝜑 → (𝑋𝑂𝑌) = 〈𝑌, 𝑋〉) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ov 7372 | . 2 ⊢ (𝑋𝑂𝑌) = (𝑂‘〈𝑋, 𝑌〉) | |
| 2 | swapf1.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) | |
| 3 | 2 | elfvexd 6879 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ V) |
| 4 | swapf1.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐷)) | |
| 5 | 4 | elfvexd 6879 | . . . 4 ⊢ (𝜑 → 𝐷 ∈ V) |
| 6 | eqid 2729 | . . . 4 ⊢ (𝐶 ×c 𝐷) = (𝐶 ×c 𝐷) | |
| 7 | eqid 2729 | . . . . 5 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 8 | eqid 2729 | . . . . 5 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 9 | 6, 7, 8 | xpcbas 18115 | . . . 4 ⊢ ((Base‘𝐶) × (Base‘𝐷)) = (Base‘(𝐶 ×c 𝐷)) |
| 10 | swapf1.o | . . . 4 ⊢ (𝜑 → (𝐶 swapF 𝐷) = 〈𝑂, 𝑃〉) | |
| 11 | 3, 5, 6, 9, 10 | swapf1val 49229 | . . 3 ⊢ (𝜑 → 𝑂 = (𝑥 ∈ ((Base‘𝐶) × (Base‘𝐷)) ↦ ∪ ◡{𝑥})) |
| 12 | simpr 484 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → 𝑥 = 〈𝑋, 𝑌〉) | |
| 13 | 12 | sneqd 4597 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → {𝑥} = {〈𝑋, 𝑌〉}) |
| 14 | 13 | cnveqd 5829 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → ◡{𝑥} = ◡{〈𝑋, 𝑌〉}) |
| 15 | 14 | unieqd 4880 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → ∪ ◡{𝑥} = ∪ ◡{〈𝑋, 𝑌〉}) |
| 16 | opswap 6190 | . . . 4 ⊢ ∪ ◡{〈𝑋, 𝑌〉} = 〈𝑌, 𝑋〉 | |
| 17 | 15, 16 | eqtrdi 2780 | . . 3 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → ∪ ◡{𝑥} = 〈𝑌, 𝑋〉) |
| 18 | 2, 4 | opelxpd 5670 | . . 3 ⊢ (𝜑 → 〈𝑋, 𝑌〉 ∈ ((Base‘𝐶) × (Base‘𝐷))) |
| 19 | opex 5419 | . . . 4 ⊢ 〈𝑌, 𝑋〉 ∈ V | |
| 20 | 19 | a1i 11 | . . 3 ⊢ (𝜑 → 〈𝑌, 𝑋〉 ∈ V) |
| 21 | 11, 17, 18, 20 | fvmptd 6957 | . 2 ⊢ (𝜑 → (𝑂‘〈𝑋, 𝑌〉) = 〈𝑌, 𝑋〉) |
| 22 | 1, 21 | eqtrid 2776 | 1 ⊢ (𝜑 → (𝑋𝑂𝑌) = 〈𝑌, 𝑋〉) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 ∈ wcel 2109 Vcvv 3444 {csn 4585 〈cop 4591 ∪ cuni 4867 × cxp 5629 ◡ccnv 5630 ‘cfv 6499 (class class class)co 7369 Basecbs 17155 ×c cxpc 18105 swapF cswapf 49221 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-er 8648 df-en 8896 df-dom 8897 df-sdom 8898 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-nn 12163 df-2 12225 df-3 12226 df-4 12227 df-5 12228 df-6 12229 df-7 12230 df-8 12231 df-9 12232 df-n0 12419 df-z 12506 df-dec 12626 df-slot 17128 df-ndx 17140 df-base 17156 df-hom 17220 df-cco 17221 df-xpc 18109 df-swapf 49222 |
| This theorem is referenced by: swapfid 49241 cofuswapf1 49256 cofuswapf2 49257 |
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