| import compcert.lib.ZArithCompat | |
| namespace Algorithms.modular_mul.lean | |
| def ModularMul (multiplicand multiplier modulus result : Int) : Prop := | |
| (-modulus < result ∧ result < modulus) ∧ | |
| ∃ quotient, multiplicand * multiplier = result + modulus * quotient | |
| end Algorithms.modular_mul.lean | |