| Mathbox for Zhi Wang |
< Previous
Next >
Nearby theorems |
||
| 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 7427 | . 2 ⊢ (𝑋𝑂𝑌) = (𝑂‘〈𝑋, 𝑌〉) | |
| 2 | swapf1.x | . . . . 5 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝐶)) | |
| 3 | 2 | elfvexd 6926 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ V) |
| 4 | swapf1.y | . . . . 5 ⊢ (𝜑 → 𝑌 ∈ (Base‘𝐷)) | |
| 5 | 4 | elfvexd 6926 | . . . 4 ⊢ (𝜑 → 𝐷 ∈ V) |
| 6 | eqid 2760 | . . . 4 ⊢ (𝐶 ×c 𝐷) = (𝐶 ×c 𝐷) | |
| 7 | eqid 2760 | . . . . 5 ⊢ (Base‘𝐶) = (Base‘𝐶) | |
| 8 | eqid 2760 | . . . . 5 ⊢ (Base‘𝐷) = (Base‘𝐷) | |
| 9 | 6, 7, 8 | xpcbas 18361 | . . . 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 50497 | . . 3 ⊢ (𝜑 → 𝑂 = (𝑥 ∈ ((Base‘𝐶) × (Base‘𝐷)) ↦ ∪ ◡{𝑥})) |
| 12 | simpr 490 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → 𝑥 = 〈𝑋, 𝑌〉) | |
| 13 | 12 | sneqd 4592 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → {𝑥} = {〈𝑋, 𝑌〉}) |
| 14 | 13 | cnveqd 5854 | . . . . 5 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → ◡{𝑥} = ◡{〈𝑋, 𝑌〉}) |
| 15 | 14 | unieqd 4879 | . . . 4 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → ∪ ◡{𝑥} = ∪ ◡{〈𝑋, 𝑌〉}) |
| 16 | opswap 6233 | . . . 4 ⊢ ∪ ◡{〈𝑋, 𝑌〉} = 〈𝑌, 𝑋〉 | |
| 17 | 15, 16 | eqtrdi 2811 | . . 3 ⊢ ((𝜑 ∧ 𝑥 = 〈𝑋, 𝑌〉) → ∪ ◡{𝑥} = 〈𝑌, 𝑋〉) |
| 18 | 2, 4 | opelxpd 5690 | . . 3 ⊢ (𝜑 → 〈𝑋, 𝑌〉 ∈ ((Base‘𝐶) × (Base‘𝐷))) |
| 19 | opex 5432 | . . . 4 ⊢ 〈𝑌, 𝑋〉 ∈ V | |
| 20 | 19 | a1i 11 | . . 3 ⊢ (𝜑 → 〈𝑌, 𝑋〉 ∈ V) |
| 21 | 11, 17, 18, 20 | fvmptd 7006 | . 2 ⊢ (𝜑 → (𝑂‘〈𝑋, 𝑌〉) = 〈𝑌, 𝑋〉) |
| 22 | 1, 21 | eqtrid 2807 | 1 ⊢ (𝜑 → (𝑋𝑂𝑌) = 〈𝑌, 𝑋〉) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 Vcvv 3450 {csn 4584 〈cop 4834 ∪ cuni 4866 × cxp 5649 ◡ccnv 5650 ‘cfv 6543 (class class class)co 7424 Basecbs 17396 ×c cxpc 18351 swapF cswapf 50489 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-mulcom 11271 ax-addass 11272 ax-mulass 11273 ax-distr 11274 ax-i2m1 11275 ax-1ne0 11276 ax-1rid 11277 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 ax-pre-ltadd 11283 ax-pre-mulgt0 11284 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 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 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7381 df-ov 7427 df-oprab 7428 df-mpo 7429 df-om 7882 df-1st 8005 df-2nd 8006 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-rdg 8425 df-er 8724 df-en 8981 df-dom 8982 df-sdom 8983 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-sub 11550 df-neg 11551 df-nn 12343 df-2 12412 df-3 12413 df-4 12414 df-5 12415 df-6 12416 df-7 12417 df-8 12418 df-9 12419 df-n0 12614 df-z 12701 df-dec 12822 df-slot 17369 df-ndx 17381 df-base 17397 df-hom 17461 df-cco 17462 df-xpc 18355 df-swapf 50490 |
| This theorem is used by: swapfid 50509 cofuswapf1 50524 cofuswapf2 50525 |
| Copyright terms: Public domain | W3C validator |