Metamath Proof Explorer


Theorem bj-restn0b

Description: Alternate version of bj-restn0 . (Contributed by BJ, 27-Apr-2021)

Ref Expression
Assertion bj-restn0b X V A W X 𝑡 A

Proof

Step Hyp Ref Expression
1 eldifi X V X V
2 eldifsni X V X
3 1 2 jca X V X V X
4 3 anim1i X V A W X V X A W
5 an32 X V X A W X V A W X
6 4 5 sylib X V A W X V A W X
7 bj-restn0 X V A W X X 𝑡 A
8 7 imp X V A W X X 𝑡 A
9 6 8 syl X V A W X 𝑡 A