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 e. NN
5 1lt5
 |-  1 < 5
6 1 3 4 5 zlmlemOLD
 |-  ( Base ` G ) = ( Base ` W )
7 2 6 eqtri
 |-  B = ( Base ` W )