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Syntax Definition bj-c2uple 31648
Description: Syntax for Morse couple. (Contributed by BJ, 6-Oct-2018.)
Hypotheses
Ref Expression
cA  class  A
cB  class  B
Assertion
Ref Expression
bj-c2uple  class (| A,  B|)

See definition df-bj-2upl 31649 for more information.

Colors of variables: wff setvar class
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