Documentation

Lean.Meta.Tactic.Assumption

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def Lean.Meta.findLocalDeclWithType? (type : Lean.Expr) :
Lean.MetaM (Option Lean.FVarId)

Return a local declaration whose type is definitionally equal to type.

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def Lean.MVarId.assumptionCore (mvarId : Lean.MVarId) :
Lean.MetaM Bool

Return true if managed to close goal mvarId using an assumption.

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def Lean.Meta.assumptionCore (mvarId : Lean.MVarId) :
Lean.MetaM Bool
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def Lean.MVarId.assumption (mvarId : Lean.MVarId) :
Lean.MetaM Unit

Close goal mvarId using an assumption. Throw error message if failed.

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def Lean.Meta.assumption (mvarId : Lean.MVarId) :
Lean.MetaM Unit
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