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e                                                    (proofManagerLib)
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e : tactic -> proof

SYNOPSIS
Applies a tactic to the current goal, stacking the resulting subgoals.

DESCRIBE
The function {e} is part of the subgoal package. It is an abbreviation for
{expand}. For a description of the subgoal package, see {set_goal}.

FAILURE
As for {expand}.

USES
Doing a step in an interactive goal-directed proof.

SEEALSO
proofManagerLib.set_goal, proofManagerLib.restart,
proofManagerLib.backup, proofManagerLib.restore, proofManagerLib.save,
proofManagerLib.set_backup, proofManagerLib.expand,
proofManagerLib.expandf, proofManagerLib.p, proofManagerLib.top_thm,
proofManagerLib.top_goal.

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