| 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 38935 | . . 3 ⊢ (𝐴 ∈ 𝑉 → (◡ E ↾ 𝐴) ∈ V) | |
| 2 | uniqs 8774 | . . 3 ⊢ ((◡ E ↾ 𝐴) ∈ V → ∪ (𝐴 / ◡ E ) = (◡ E “ 𝐴)) | |
| 3 | 1, 2 | syl 18 | . 2 ⊢ (𝐴 ∈ 𝑉 → ∪ (𝐴 / ◡ E ) = (◡ E “ 𝐴)) |
| 4 | qsid 8782 | . . 3 ⊢ (𝐴 / ◡ E ) = 𝐴 | |
| 5 | 4 | unieqi 4889 | . 2 ⊢ ∪ (𝐴 / ◡ E ) = ∪ 𝐴 |
| 6 | 3, 5 | eqtr3di 2820 | 1 ⊢ (𝐴 ∈ 𝑉 → (◡ E “ 𝐴) = ∪ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1568 ∈ wcel 2150 Vcvv 3462 ∪ cuni 4877 E cep 5564 ◡ccnv 5664 ↾ cres 5667 “ cima 5668 / cqs 8696 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2152 ax-9 2160 ax-10 2183 ax-11 2199 ax-12 2220 ax-ext 2742 ax-rep 5243 ax-sep 5262 ax-pow 5340 ax-pr 5408 ax-un 7736 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2099 df-mo 2574 df-clab 2749 df-cleq 2762 df-clel 2845 df-ne 2966 df-ral 3087 df-rex 3097 df-rab 3424 df-v 3464 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-eprel 5565 df-xp 5671 df-rel 5672 df-cnv 5673 df-dm 5675 df-rn 5676 df-res 5677 df-ima 5678 df-ec 8699 df-qs 8703 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |