| Mathbox for Peter Mazsa |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > cnvepima | Structured version Visualization version GIF version | ||
| Description: The image of converse epsilon. (Contributed by Peter Mazsa, 22-Mar-2023.) |
| Ref | Expression |
|---|---|
| cnvepima | ⊢ (𝐴 ∈ 𝑉 → (◡ E “ 𝐴) = ∪ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnvepresex 38291 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (◡ E ↾ 𝐴) ∈ V) | |
| 2 | uniqs 8724 | . . 3 ⊢ ((◡ E ↾ 𝐴) ∈ V → ∪ (𝐴 / ◡ E ) = (◡ E “ 𝐴)) | |
| 3 | 1, 2 | syl 17 | . 2 ⊢ (𝐴 ∈ 𝑉 → ∪ (𝐴 / ◡ E ) = (◡ E “ 𝐴)) |
| 4 | qsid 8731 | . . 3 ⊢ (𝐴 / ◡ E ) = 𝐴 | |
| 5 | 4 | unieqi 4879 | . 2 ⊢ ∪ (𝐴 / ◡ E ) = ∪ 𝐴 |
| 6 | 3, 5 | eqtr3di 2779 | 1 ⊢ (𝐴 ∈ 𝑉 → (◡ E “ 𝐴) = ∪ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 Vcvv 3444 ∪ cuni 4867 E cep 5530 ◡ccnv 5630 ↾ cres 5633 “ cima 5634 / cqs 8647 |
| 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 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-clab 2708 df-cleq 2721 df-clel 2803 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3403 df-v 3446 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-eprel 5531 df-xp 5637 df-rel 5638 df-cnv 5639 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-ec 8650 df-qs 8654 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |