Package natural-mult-def: natural-mult-def

Information

Files

• Package tarball natural-mult-def-1.4.tgz
• Theory file natural-mult-def.thy (included in the package tarball)

Defined Constant

• Number
  • Natural
    • Number.Natural.*

Theorem

⊦ (∀n. Number.Natural.* 0 n = 0) ∧
  ∀m n.
    Number.Natural.* (Number.Natural.suc m) n =
    Number.Natural.+ (Number.Natural.* m n) n

Input Type Operators

• →
• bool
• Number
  • Natural
    • Number.Natural.natural

Input Constants

• =
• select
• Data
  • Bool
    • ∀
    • ∧
    • ⇒
    • ∃
    • T
• Number
  • Natural
    • Number.Natural.+
    • Number.Natural.suc
    • Number.Natural.zero

Assumptions

⊦ T

⊦ (∃) = λP. P ((select) P)

⊦ (∀) = λp. p = λx. T

⊦ (⇒) = λp q. p ∧ q ⇔ p

⊦ (∧) = λp q. (λf. f p q) = λf. f T T

⊦ (∃) = λP. ∀q. (∀x. P x ⇒ q) ⇒ q

⊦ ∀e f. ∃fn. fn 0 = e ∧ ∀n. fn (Number.Natural.suc n) = f (fn n) n