Documentation

Mathlib.Tactic.Find

The #find command and tactic. #

The #find command finds definitions & lemmas using pattern matching on the type. For instance:

#find _ + _ = _ + _
#find ?n + _ = _ + ?n
#find (_ : Nat) + _ = _ + _
#find Nat → Nat

Inside tactic proofs, there is a #find tactic with the same syntax, or the find tactic which looks for lemmas which are applyable against the current goal.

source
opaque Mathlib.Tactic.Find.findDeclsPerHead :
Batteries.Tactic.DeclCache (Std.HashMap Lean.HeadIndex (Array Lean.Name))
source
def Mathlib.Tactic.Find.findType (t : Lean.Expr) :
Lean.Elab.TermElabM Unit
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    def Mathlib.Tactic.Find.«command#find_» :
    Lean.ParserDescr
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      def Mathlib.Tactic.Find.tacticFind :
      Lean.ParserDescr
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        def Mathlib.Tactic.Find.«tactic#find_» :
        Lean.ParserDescr
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