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is_res_abstract                                        (res_quanTools)
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is_res_abstract : (term -> bool)

SYNOPSIS
Tests a term to see if it is a restricted abstraction.

DESCRIBE
{is_res_abstract "\var::P. t"} returns {true}. If the term is not a
restricted abstraction the result is {false}.

FAILURE
Never fails.

SEEALSO
res_quanTools.mk_res_abstract, res_quanTools.dest_res_abstract.

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