TRYALL : tactic -> list_tactic

- STRUCTURE
- SYNOPSIS
- Tries to apply a tactic to every goal in a list
- DESCRIPTION
- If tac is a tactic, TRYALL tac is a list-tactic which, when applied to a list of goals, applies the tactic tac to each goal for which it succeeds. When tac fails on a goal, TRYALL tac has no effect on that goal.
- FAILURE
- The application of TRYALL to a tactic never fails. The resulting list-tactic never fails.
- EXAMPLE
- Where tac1 and tac2 are tactics, tac1 THEN_LT TRYALL tac2 is equivalent to tac1 THEN TRY tac2
- SEEALSO

HOL Kananaskis-13