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 NNNN

Proof

Step Hyp Ref Expression
1 uzid NNN
2 eluzfz1 NNNNN
3 1 2 syl NNNN