is_pselect
pairSyntax.is_pselect : (term -> bool)
Tests a term to see if it is a paired choice-term.
is_select "@pair. t" returns true. If the term is not a paired
choice-term the result is false.
Failure
Never fails.
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is_pselectpairSyntax.is_pselect : (term -> bool)
Tests a term to see if it is a paired choice-term.
is_select "@pair. t" returns true. If the term is not a paired
choice-term the result is false.
Never fails.