Theorem brcnvssrid 38922

Description: Any set is a converse subset of itself. (Contributed by Peter Mazsa, 9-Jun-2021.)

Assertion

Ref	Expression
brcnvssrid	⊢ (𝐴 ∈ 𝑉 → 𝐴◡ S 𝐴)

Proof of Theorem brcnvssrid

Step	Hyp	Ref	Expression
1		ssid 3945	. 2 ⊢ 𝐴 ⊆ 𝐴
2		brcnvssr 38921	. 2 ⊢ (𝐴 ∈ 𝑉 → (𝐴◡ S 𝐴 ↔ 𝐴 ⊆ 𝐴))
3	1, 2	mpbiri 258	1 ⊢ (𝐴 ∈ 𝑉 → 𝐴◡ S 𝐴)

Syntax hints:   → wi 4   ∈ wcel 2114   ⊆ wss 3890   class class class wbr 5086  ^◡ccnv 5623   S cssr 38521

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 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5231  ax-pr 5370

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ral 3053  df-rex 3063  df-rab 3391  df-v 3432  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-sn 4569  df-pr 4571  df-op 4575  df-br 5087  df-opab 5149  df-xp 5630  df-rel 5631  df-cnv 5632  df-ssr 38913

This theorem is referenced by: (None)