Metamath Proof Explorer


Theorem divscan2d

Description: A cancellation law for surreal division. (Contributed by Scott Fenton, 16-Mar-2025)

Ref Expression
Hypotheses divscan2d.1 φANo
divscan2d.2 φBNo
divscan2d.3 No typesetting found for |- ( ph -> B =/= 0s ) with typecode |-
Assertion divscan2d Could not format assertion : No typesetting found for |- ( ph -> ( B x.s ( A /su B ) ) = A ) with typecode |-

Proof

Step Hyp Ref Expression
1 divscan2d.1 φANo
2 divscan2d.2 φBNo
3 divscan2d.3 Could not format ( ph -> B =/= 0s ) : No typesetting found for |- ( ph -> B =/= 0s ) with typecode |-
4 2 3 recsexd Could not format ( ph -> E. x e. No ( B x.s x ) = 1s ) : No typesetting found for |- ( ph -> E. x e. No ( B x.s x ) = 1s ) with typecode |-
5 1 2 3 4 divscan2wd Could not format ( ph -> ( B x.s ( A /su B ) ) = A ) : No typesetting found for |- ( ph -> ( B x.s ( A /su B ) ) = A ) with typecode |-