
{file}.			consult problem file
shell(S:T/D).		define shell
definition(F=B).	define function
lemma(H=B).		add lemma
axiom(H=B).		add axiom
theorem(H=B).		prove theorem
abbrev(X=Y).		define abbreviation
make_env(F).		input environment file
note_env(F).		output environment file

c.	toggle continue-switch
h.	help
n.	proceed with the next conjecture or #-command
p.	print remaining conjectures or #-commands
q.	quit the proof (but store as lemma)
t.	toggle tracing-switch (rewrite, expand)
v.	toggle VT100-switch
