Users' Mathboxes Mathbox for BJ < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  bj-smgrpssmgm Structured version   Visualization version   GIF version

Theorem bj-smgrpssmgm 37878
Description: Semigroups are magmas. (Contributed by BJ, 12-Apr-2024.) (Proof modification is discouraged.)
Assertion
Ref Expression
bj-smgrpssmgm Smgrp ⊆ Mgm

Proof of Theorem bj-smgrpssmgm
Dummy variables 𝑔 𝑏 𝑝 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-sgrp 18776 . 2 Smgrp = {𝑔 ∈ Mgm ∣ [(Base‘𝑔) / 𝑏][(+g𝑔) / 𝑝]𝑥𝑏𝑦𝑏𝑧𝑏 ((𝑥𝑝𝑦)𝑝𝑧) = (𝑥𝑝(𝑦𝑝𝑧))}
21ssrab3 4035 1 Smgrp ⊆ Mgm
Colors of variables: wff setvar class
Syntax hints:   = wceq 1568  wral 3077  [wsbc 3743  wss 3904  cfv 6536  (class class class)co 7410  Basecbs 17268  +gcplusg 17309  Mgmcmgm 18695  Smgrpcsgrp 18775
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1823  ax-4 1837  ax-5 1938  ax-6 1995  ax-7 2036  ax-8 2143  ax-9 2151  ax-ext 2733
This theorem depends on definitions:  df-bi 210  df-an 401  df-ex 1808  df-sb 2095  df-clab 2740  df-cleq 2753  df-clel 2836  df-rab 3415  df-ss 3921  df-sgrp 18776
This theorem is referenced by:  bj-smgrpssmgmel  37879
  Copyright terms: Public domain W3C validator