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

Syntax Definition wdisj 4553
Description: Extend wff notation to include the statement that a family of classes 𝐵(𝑥), for 𝑥𝐴, is a disjoint family.
Ref Expression
vx setvar 𝑥
cA class 𝐴
cB class 𝐵
Ref Expression
wdisj wff Disj 𝑥𝐴 𝐵

See definition df-disj 4554 for more information.

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