Home brismu bridi < Previous   Next >
Nearby theorems
Mirrors  >  Home  >   Home  >  Th. List  >  df-gonai

Definition df-gonai 261
Description: Standard constructive definition of mutual exclusion ("the exclusive OR"), based on the mnemonic given to computer scientists in the USA and UK: "It's cake or tea, but not cake and tea."
Assertion
Ref Expression
df-gonaigo gonai broda gi brode gi ge ga broda gi brode gi naku ge broda gi brode

This definition is referenced by:  gonaii  262  gonairi  265
  Copyright terms: Public domain W3C validator