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Lean.Elab.Tactic.Classical

classical tactic #

def Lean.Elab.Tactic.classical {m : TypeType} {α : Type} [Monad m] [Lean.MonadEnv m] [MonadFinally m] [MonadLiftT Lean.MetaM m] (t : m α) :
m α

classical t runs t in a scope where Classical.propDecidable is a low priority local instance.

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