Metamath Proof Explorer


Theorem redivcan3d

Description: A cancellation law for division. (Contributed by SN, 25-Nov-2025)

Ref Expression
Hypotheses redivcan2d.a φ A
redivcan2d.b φ B
redivcan2d.z φ B 0
Assertion redivcan3d Could not format assertion : No typesetting found for |- ( ph -> ( ( B x. A ) /R B ) = A ) with typecode |-

Proof

Step Hyp Ref Expression
1 redivcan2d.a φ A
2 redivcan2d.b φ B
3 redivcan2d.z φ B 0
4 eqidd φ B A = B A
5 2 1 remulcld φ B A
6 5 1 2 3 redivmuld Could not format ( ph -> ( ( ( B x. A ) /R B ) = A <-> ( B x. A ) = ( B x. A ) ) ) : No typesetting found for |- ( ph -> ( ( ( B x. A ) /R B ) = A <-> ( B x. A ) = ( B x. A ) ) ) with typecode |-
7 4 6 mpbird Could not format ( ph -> ( ( B x. A ) /R B ) = A ) : No typesetting found for |- ( ph -> ( ( B x. A ) /R B ) = A ) with typecode |-