| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > brcnvssrid | Structured version Visualization version GIF version | ||
| Description: Any set is a converse subset of itself. (Contributed by Peter Mazsa, 9-Jun-2021.) |
| Ref | Expression |
|---|---|
| brcnvssrid | ⊢ (𝐴 ∈ 𝑉 → 𝐴◡ S 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssid 3986 | . 2 ⊢ 𝐴 ⊆ 𝐴 | |
| 2 | brcnvssr 38466 | . 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴◡ S 𝐴 ↔ 𝐴 ⊆ 𝐴)) | |
| 3 | 1, 2 | mpbiri 258 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐴◡ S 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2107 ⊆ wss 3931 class class class wbr 5123 ◡ccnv 5664 S cssr 38144 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1794 ax-4 1808 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-ext 2706 ax-sep 5276 ax-nul 5286 ax-pr 5412 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1779 df-sb 2064 df-clab 2713 df-cleq 2726 df-clel 2808 df-ral 3051 df-rex 3060 df-rab 3420 df-v 3465 df-dif 3934 df-un 3936 df-in 3938 df-ss 3948 df-nul 4314 df-if 4506 df-sn 4607 df-pr 4609 df-op 4613 df-br 5124 df-opab 5186 df-xp 5671 df-rel 5672 df-cnv 5673 df-ssr 38458 |
| This theorem is referenced by: (None) |
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