Metamath Proof Explorer


Theorem socnv

Description: The converse of a strict ordering is still a strict ordering. (Contributed by Scott Fenton, 13-Jun-2018)

Ref Expression
Assertion socnv ROrAR-1OrA

Proof

Step Hyp Ref Expression
1 cnvso ROrAR-1OrA
2 1 biimpi ROrAR-1OrA