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SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for Peter Mazsa
Notations
ccnvrefrels
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Metamath Proof Explorer
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Structured
Syntax definition
ccnvrefrels
Description:
Extend the definition of a class to include the converse reflexive relations class.
Ref
Expression
Assertion
ccnvrefrels
class
CnvRefRels