[infer].
'Command examples:      CHECK|: infer.'.
'                       CHECK|: infer c#3.'.
'                       CHECK|: infer x+y>0.'.
'                       CHECK|: infer c#2 using inequals.'.
'                       CHECK|: infer x>=y using WILD from [2,3,6].'.
''.
'This command may be used to attempt to infer a formula directly from one'.
'of the checker\'s inference rules, given the current hypotheses hold.  If'.
'the formula can be inferred, it will be added to the current collection'.
'of hypotheses (if not already present), otherwise the checker will offer'.
'the user the choice of subgoaling if a suitable rulematch was found.'.
