Users' Mathboxes Mathbox for Jeff Madsen < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  df-sgrOLD Structured version   Visualization version   GIF version

Definition df-sgrOLD 32830
Description: Obsolete version of df-sgrp 17107 as of 3-Feb-2020. A semi-group is an associative magma. (Contributed by FL, 2-Nov-2009.) (New usage is discouraged.)
Assertion
Ref Expression
df-sgrOLD SemiGrp = (Magma ∩ Ass)

Detailed syntax breakdown of Definition df-sgrOLD
StepHypRef Expression
1 csem 32829 . 2 class SemiGrp
2 cmagm 32817 . . 3 class Magma
3 cass 32811 . . 3 class Ass
42, 3cin 3539 . 2 class (Magma ∩ Ass)
51, 4wceq 1475 1 wff SemiGrp = (Magma ∩ Ass)
Colors of variables: wff setvar class
This definition is referenced by:  smgrpismgmOLD  32831  issmgrpOLD  32832
  Copyright terms: Public domain W3C validator