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Syntax Definition cseq4 9839
Description: Extend class notation with four-argument recursive sequence builder.
Hypotheses
Ref Expression
c.pl  class  .+
cS  class  S
cF  class  F
cM  class  M
Assertion
Ref Expression
cseq4  class  seq M
(  .+  ,  F ,  S )

See definition df-iseq 9841 for more information.

Colors of variables: wff set class
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