Metamath Proof Explorer


Theorem absex

Description: The absolute value function is a set. (Contributed by SN, 5-Jun-2025)

Ref Expression
Assertion absex abs V

Proof

Step Hyp Ref Expression
1 absf abs :
2 cnex V
3 reex V
4 fex2 abs : V V abs V
5 1 2 3 4 mp3an abs V