Metamath Proof Explorer


Theorem mulsval2lem

Description: Lemma for mulsval2 . Change bound variables in one of the cases. (Contributed by Scott Fenton, 8-Mar-2025)

Ref Expression
Assertion mulsval2lem Could not format assertion : No typesetting found for |- { a | E. p e. X E. q e. Y a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) } = { b | E. r e. X E. s e. Y b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) } with typecode |-

Proof

Step Hyp Ref Expression
1 eqeq1 Could not format ( a = b -> ( a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) ) ) : No typesetting found for |- ( a = b -> ( a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) ) ) with typecode |-
2 1 2rexbidv Could not format ( a = b -> ( E. p e. X E. q e. Y a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> E. p e. X E. q e. Y b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) ) ) : No typesetting found for |- ( a = b -> ( E. p e. X E. q e. Y a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> E. p e. X E. q e. Y b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) ) ) with typecode |-
3 oveq1 Could not format ( p = r -> ( p x.s B ) = ( r x.s B ) ) : No typesetting found for |- ( p = r -> ( p x.s B ) = ( r x.s B ) ) with typecode |-
4 3 oveq1d Could not format ( p = r -> ( ( p x.s B ) +s ( A x.s q ) ) = ( ( r x.s B ) +s ( A x.s q ) ) ) : No typesetting found for |- ( p = r -> ( ( p x.s B ) +s ( A x.s q ) ) = ( ( r x.s B ) +s ( A x.s q ) ) ) with typecode |-
5 oveq1 Could not format ( p = r -> ( p x.s q ) = ( r x.s q ) ) : No typesetting found for |- ( p = r -> ( p x.s q ) = ( r x.s q ) ) with typecode |-
6 4 5 oveq12d Could not format ( p = r -> ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) = ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) ) : No typesetting found for |- ( p = r -> ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) = ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) ) with typecode |-
7 6 eqeq2d Could not format ( p = r -> ( b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> b = ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) ) ) : No typesetting found for |- ( p = r -> ( b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> b = ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) ) ) with typecode |-
8 oveq2 Could not format ( q = s -> ( A x.s q ) = ( A x.s s ) ) : No typesetting found for |- ( q = s -> ( A x.s q ) = ( A x.s s ) ) with typecode |-
9 8 oveq2d Could not format ( q = s -> ( ( r x.s B ) +s ( A x.s q ) ) = ( ( r x.s B ) +s ( A x.s s ) ) ) : No typesetting found for |- ( q = s -> ( ( r x.s B ) +s ( A x.s q ) ) = ( ( r x.s B ) +s ( A x.s s ) ) ) with typecode |-
10 oveq2 Could not format ( q = s -> ( r x.s q ) = ( r x.s s ) ) : No typesetting found for |- ( q = s -> ( r x.s q ) = ( r x.s s ) ) with typecode |-
11 9 10 oveq12d Could not format ( q = s -> ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) : No typesetting found for |- ( q = s -> ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) with typecode |-
12 11 eqeq2d Could not format ( q = s -> ( b = ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) <-> b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) ) : No typesetting found for |- ( q = s -> ( b = ( ( ( r x.s B ) +s ( A x.s q ) ) -s ( r x.s q ) ) <-> b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) ) with typecode |-
13 7 12 cbvrex2vw Could not format ( E. p e. X E. q e. Y b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> E. r e. X E. s e. Y b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) : No typesetting found for |- ( E. p e. X E. q e. Y b = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> E. r e. X E. s e. Y b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) with typecode |-
14 2 13 bitrdi Could not format ( a = b -> ( E. p e. X E. q e. Y a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> E. r e. X E. s e. Y b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) ) : No typesetting found for |- ( a = b -> ( E. p e. X E. q e. Y a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) <-> E. r e. X E. s e. Y b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) ) ) with typecode |-
15 14 cbvabv Could not format { a | E. p e. X E. q e. Y a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) } = { b | E. r e. X E. s e. Y b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) } : No typesetting found for |- { a | E. p e. X E. q e. Y a = ( ( ( p x.s B ) +s ( A x.s q ) ) -s ( p x.s q ) ) } = { b | E. r e. X E. s e. Y b = ( ( ( r x.s B ) +s ( A x.s s ) ) -s ( r x.s s ) ) } with typecode |-