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EQT_INTRO

Drule.EQT_INTRO : thm -> thm

Introduces equality with T.

      A |- tm
   -------------  EQT_INTRO
    A |- tm = T

Failure

Never fails.

See also

Drule.EQT_ELIM, Drule.EQF_ELIM, Drule.EQF_INTRO