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Lean.Meta.Tactic.Rfl

rfl tactic extension for reflexive relations #

This extends the rfl tactic so that it works on any reflexive relation, provided the reflexivity lemma has been marked as @[refl].

Discrimation tree settings for the refl extension.

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    MetaM version of the rfl tactic.

    This tactic applies to a goal whose target has the form x ~ x, where ~ is a reflexive relation, that is, equality or another relation which has a reflexive lemma tagged with the attribute [refl].

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      Convert a goal of the form x ~ y into the form x = y, where ~ is a reflexive relation, that is, a relation which has a reflexive lemma tagged with the attribute @[refl]. If this can't be done, returns the original MVarId.

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