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
|- S e. _V
Assertion wrdexi
|- Word S e. _V

Proof

Step Hyp Ref Expression
1 wrdexi.1
 |-  S e. _V
2 wrdexg
 |-  ( S e. _V -> Word S e. _V )
3 1 2 ax-mp
 |-  Word S e. _V