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# g `(!x. x = x) /\ (!y.y = y) /\ (!z.z = z)`;;
Warning: inventing type variables
val it : xgoalstack = 1 subgoal (1 total)
`(!x. x = x) /\ (!y. y = y) /\ (!z. z = z)`
# e (REPEAT CONJ_TAC);;
val it : xgoalstack = 3 subgoals (3 total)
`!z. z = z`
`!y. y = y`
`!x. x = x`
# e (GEN_TAC);;
val it : xgoalstack = 1 subgoal (3 total)
`x = x`
# e (REFL_TAC);;
val it : xgoalstack = 1 subgoal (2 total)
`!y. y = y`
# e (GEN_TAC);;
val it : xgoalstack = 1 subgoal (2 total)
`y = y`
# e (REFL_TAC);;
val it : xgoalstack = 1 subgoal (1 total)
`!z. z = z`
# e (GEN_TAC);;
val it : xgoalstack = 1 subgoal (1 total)
`z = z`
# e (REFL_TAC);;
val it : xgoalstack = No subgoals
# print_executed_proof ();;
e (REPEAT CONJ_TAC);;
e (GEN_TAC);;
e (REFL_TAC);;
e (GEN_TAC);;
e (REFL_TAC);;
e (GEN_TAC);;
e (REFL_TAC);;
val it : unit = ()
# print_flat_proof ();;
e (CONJ_TAC);;
e (GEN_TAC);;
e (REFL_TAC);;
e (CONJ_TAC);;
e (GEN_TAC);;
e (REFL_TAC);;
e (GEN_TAC);;
e (REFL_TAC);;
val it : unit = ()
# print_thenl_proof ();;
e (CONJ_TAC THENL [GEN_TAC THEN REFL_TAC; CONJ_TAC THENL [GEN_TAC THEN REFL_TAC; GEN_TAC THEN REFL_TAC]]);;
val it : unit = ()
# print_optimal_proof ();;
e (REPEAT CONJ_TAC THEN GEN_TAC THEN REFL_TAC);;
val it : unit = ()
#
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