lean4-htt/src/Lean/Meta/NatInstTesters.lean
Leonardo de Moura d5f01f2db1
feat: Nat divisibility constraints in cutsat (#7495)
This PR implements support for `Nat` divisibility constraints in the
cutsat procedure.
2025-03-15 03:46:47 +00:00

66 lines
2.1 KiB
Text

/-
Copyright (c) 2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
Released under Apache 2.0 license as described in the file LICENSE.
Authors: Leonardo de Moura
-/
prelude
import Lean.Meta.Basic
namespace Lean.Meta
/-!
Functions for testing whether expressions are canonical `Nat` instances.
-/
def isInstOfNatNat (e : Expr) : MetaM Bool := do
let_expr instOfNatNat _ ← e | return false
return true
def isInstAddNat (e : Expr) : MetaM Bool := do
let_expr instAddNat ← e | return false
return true
def isInstSubNat (e : Expr) : MetaM Bool := do
let_expr instSubNat ← e | return false
return true
def isInstMulNat (e : Expr) : MetaM Bool := do
let_expr instMulNat ← e | return false
return true
def isInstDivNat (e : Expr) : MetaM Bool := do
let_expr Nat.instDiv ← e | return false
return true
def isInstModNat (e : Expr) : MetaM Bool := do
let_expr Nat.instMod ← e | return false
return true
def isInstNatPowNat (e : Expr) : MetaM Bool := do
let_expr instNatPowNat ← e | return false
return true
def isInstPowNat (e : Expr) : MetaM Bool := do
let_expr instPowNat _ i ← e | return false
isInstNatPowNat i
def isInstHAddNat (e : Expr) : MetaM Bool := do
let_expr instHAdd _ i ← e | return false
isInstAddNat i
def isInstHSubNat (e : Expr) : MetaM Bool := do
let_expr instHSub _ i ← e | return false
isInstSubNat i
def isInstHMulNat (e : Expr) : MetaM Bool := do
let_expr instHMul _ i ← e | return false
isInstMulNat i
def isInstHDivNat (e : Expr) : MetaM Bool := do
let_expr instHDiv _ i ← e | return false
isInstDivNat i
def isInstHModNat (e : Expr) : MetaM Bool := do
let_expr instHMod _ i ← e | return false
isInstModNat i
def isInstHPowNat (e : Expr) : MetaM Bool := do
let_expr instHPow _ _ i ← e | return false
isInstPowNat i
def isInstLTNat (e : Expr) : MetaM Bool := do
let_expr instLTNat ← e | return false
return true
def isInstLENat (e : Expr) : MetaM Bool := do
let_expr instLENat ← e | return false
return true
def isInstDvdNat (e : Expr) : MetaM Bool := do
let_expr Nat.instDvd ← e | return false
return true
end Lean.Meta