def Lean.Meta.Grind.intros (generation : Nat) : SearchM Unit

Introduce new hypotheses (and apply by_contra) until goal is of the form ... ⊢ False or is inconsistent.

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def Lean.Meta.Grind.intros' (generation : Nat) : SearchM Bool

Similar to intros, but returns true if new hypotheses have been added, and false otherwise.

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def Lean.Meta.Grind.assertNext : SearchM Bool

Asserts next fact in the goal fact queue. Returns true if the queue was not empty and false otherwise.

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def Lean.Meta.Grind.assertAll : SearchM Bool

Asserts all facts in the goal fact queue. Returns true if the queue was not empty and false otherwise.

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