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Mirrors > Home > MPE Home > Th. List > Mathboxes > eleccnvep | Structured version Visualization version GIF version |
Description: Elementhood in the converse epsilon coset of 𝐴 is elementhood in 𝐴. (Contributed by Peter Mazsa, 27-Jan-2019.) |
Ref | Expression |
---|---|
eleccnvep | ⊢ (𝐴 ∈ 𝑉 → (𝐵 ∈ [𝐴]◡ E ↔ 𝐵 ∈ 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | relcnv 5934 | . . 3 ⊢ Rel ◡ E | |
2 | relelec 8317 | . . 3 ⊢ (Rel ◡ E → (𝐵 ∈ [𝐴]◡ E ↔ 𝐴◡ E 𝐵)) | |
3 | 1, 2 | ax-mp 5 | . 2 ⊢ (𝐵 ∈ [𝐴]◡ E ↔ 𝐴◡ E 𝐵) |
4 | brcnvep 35686 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴◡ E 𝐵 ↔ 𝐵 ∈ 𝐴)) | |
5 | 3, 4 | syl5bb 286 | 1 ⊢ (𝐴 ∈ 𝑉 → (𝐵 ∈ [𝐴]◡ E ↔ 𝐵 ∈ 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∈ wcel 2111 class class class wbr 5030 E cep 5429 ◡ccnv 5518 Rel wrel 5524 [cec 8270 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pr 5295 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-eprel 5430 df-xp 5525 df-rel 5526 df-cnv 5527 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-ec 8274 |
This theorem is referenced by: eccnvep 35699 |
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