axiom of pairing (Q920796)
axiom
Language:
Current Data About axiom of pairing
(P31) (Q36191904)
(P361) (Q3632199)
(P2534) \forall A \, \forall B \, \exists C \, \forall D \, [ D \in C \iff (D = A \or D = B)]
(P2579) (Q191849)
(P6104) (Q8487137)
other details