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D.2 Keywords
Keywords are generally displayed in a boldface font:
sorts, ops, etc. Within a FORMULA, however,
they are displayed in the same font as identifiers:
if, true, false,
def, as, op, pred.
CoFI
Document: CASL/Summary-v1.0 -- Version: 1.0 -- 22 October 1998.
Comments to cofi-language@brics.dk