def
Lean.Elab.Tactic.classical
{m : Type → Type}
{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.
Instances For
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