Description: Semigroups are magmas. (Contributed by BJ, 12-Apr-2024) (Proof modification is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | bj-smgrpssmgm | Could not format assertion : No typesetting found for |- Smgrp C_ Mgm with typecode |- |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-sgrp | Could not format Smgrp = { g e. Mgm | [. ( Base ` g ) / b ]. [. ( +g ` g ) / p ]. A. x e. b A. y e. b A. z e. b ( ( x p y ) p z ) = ( x p ( y p z ) ) } : No typesetting found for |- Smgrp = { g e. Mgm | [. ( Base ` g ) / b ]. [. ( +g ` g ) / p ]. A. x e. b A. y e. b A. z e. b ( ( x p y ) p z ) = ( x p ( y p z ) ) } with typecode |- | |
2 | 1 | ssrab3 | Could not format Smgrp C_ Mgm : No typesetting found for |- Smgrp C_ Mgm with typecode |- |