Package bool-def-exists-unique: bool-def-exists-unique

Information

Files

• Package tarball bool-def-exists-unique-1.0.tgz
• Theory file bool-def-exists-unique.thy (included in the package tarball)

Defined Constant

• Data
  • Bool
    • ∃!

Theorem

⊦ (∃!) = λP. (∃) P ∧ ∀x y. P x ∧ P y ⇒ x = y

Input Type Operators

• →
• bool

Input Constants

• =
• Data
  • Bool
    • ∀
    • ∧
    • ⇒
    • ∃