Tame functions are ones for which it is not necessary to expand type abbreviations in the types of its generic arguments. The tame conjecture command generates a proof obligation which can be proven only if the inspected function is tame. It is left to the user to prove this obligation.
The troff mark-up for a tameness directive is as follows, on a line by itself.
.ZT [DeclName]
The LATEX mark-up for a tameness directive is as follows, on a line by itself.
%%tame DeclName