RULE_ASSUM_TAC : ((thm -> thm) -> tactic)

- STRUCTURE
- SYNOPSIS
- Maps an inference rule over the assumptions of a goal.
- DESCRIPTION
- When applied to an inference rule f and a goal ({A1,...,An} ?- t), the RULE_ASSUM_TAC tactical applies the inference rule to each of the ASSUMEd assumptions to give a new goal.
{A1,...,An} ?- t ==================================== RULE_ASSUM_TAC f {f(A1 |- A1),...,f(An |- An)} ?- t

- FAILURE
- The application of RULE_ASSUM_TAC f to a goal fails iff f fails when applied to any of the assumptions of the goal.
- COMMENTS
- It does not matter if the goal has no assumptions, but in this case RULE_ASSUM_TAC has no effect.
- SEEALSO

HOL Kananaskis-14