MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  crag Structured version   Visualization version   GIF version

Syntax Definition crag 26494
Description: Declare the constant for the class of right angles.
Ref Expression
crag class ∟G

See definition df-rag 26495 for more information.

Colors of variables: wff setvar class
  Copyright terms: Public domain W3C validator