Metamath Proof Explorer


Theorem wrdexi

Description: The set of words over a set is a set, inference form. (Contributed by AV, 23-May-2021)

Ref Expression
Hypothesis wrdexi.1 SV
Assertion wrdexi WordSV

Proof

Step Hyp Ref Expression
1 wrdexi.1 SV
2 wrdexg SVWordSV
3 1 2 ax-mp WordSV