This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.

Metamath Proof Explorer


Theorem elfz3

Description: Membership in a finite set of sequential integers containing one integer. (Contributed by NM, 21-Jul-2005)

Ref Expression
Assertion elfz3 N N N N

Proof

Step Hyp Ref Expression
1 uzid N N N
2 eluzfz1 N N N N N
3 1 2 syl N N N N