Metamath Proof Explorer


Theorem wrdeqi

Description: Equality theorem for the set of words, inference form. (Contributed by AV, 23-May-2021)

Ref Expression
Hypothesis wrdeqi.1 𝑆 = 𝑇
Assertion wrdeqi Word 𝑆 = Word 𝑇

Proof

Step Hyp Ref Expression
1 wrdeqi.1 𝑆 = 𝑇
2 wrdeq ( 𝑆 = 𝑇 → Word 𝑆 = Word 𝑇 )
3 1 2 ax-mp Word 𝑆 = Word 𝑇