Metamath Proof Explorer


Theorem zlmbasOLD

Description: Obsolete version of zlmbas as of 3-Nov-2024. Base set of a ZZ -module. (Contributed by Mario Carneiro, 2-Oct-2015) (New usage is discouraged.) (Proof modification is discouraged.)

Ref Expression
Hypotheses zlmbas.w W = ℤMod G
zlmbas.2 B = Base G
Assertion zlmbasOLD B = Base W

Proof

Step Hyp Ref Expression
1 zlmbas.w W = ℤMod G
2 zlmbas.2 B = Base G
3 df-base Base = Slot 1
4 1nn 1
5 1lt5 1 < 5
6 1 3 4 5 zlmlemOLD Base G = Base W
7 2 6 eqtri B = Base W