Step 
*
 of Lemma 
hgrp_car_wf
∀[g:GrpSig]. (|g|+ ∈ Type)
BY
 
{ ((Unfold `hgrp_car` 0) THEN Auto) }
 
Latex: 
Latex:
\mforall{}[g:GrpSig].  (|g|\msupplus{}  \mmember{}  Type)
 By 
Latex:
((Unfold  `hgrp\_car`  0)  THEN  Auto)
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