Database
ZF (ZERMELO-FRAENKEL) SET THEORY
ZF Set Theory - add the Axiom of Power Sets
The Predecessor Class
cpred
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df-pred
Metamath Proof Explorer
Ascii
Structured
Syntax definition
cpred
Description:
The predecessors symbol.
Ref
Expression
Assertion
cpred
class
Pred (
𝑅
,
𝐴
,
𝑋
)