Metamath Proof Explorer


Theorem opsrvscaOLD

Description: Obsolete version of opsrvsca as of 1-Nov-2024. The scalar product of the ordered power series structure. (Contributed by Mario Carneiro, 8-Feb-2015) (Revised by Mario Carneiro, 30-Aug-2015) (New usage is discouraged.) (Proof modification is discouraged.)

Ref Expression
Hypotheses opsrbas.s S = I mPwSer R
opsrbas.o O = I ordPwSer R T
opsrbas.t φ T I × I
Assertion opsrvscaOLD φ S = O

Proof

Step Hyp Ref Expression
1 opsrbas.s S = I mPwSer R
2 opsrbas.o O = I ordPwSer R T
3 opsrbas.t φ T I × I
4 df-vsca 𝑠 = Slot 6
5 6nn 6
6 6lt10 6 < 10
7 1 2 3 4 5 6 opsrbaslemOLD φ S = O