File: dest_neg.doc

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\DOC dest_neg

\TYPE {dest_neg : term -> term}

\SYNOPSIS
Breaks apart a negation, returning its body.

\DESCRIBE
{dest_neg} is a term destructor for negations:
{dest_neg `~t`} returns {`t`}.

\FAILURE
Fails with {dest_neg} if term is not a negation.

\SEEALSO
is_neg, mk_neg.

\ENDDOC