This is a listing of all goals defined over the current specification. Axioms are yellow, proof obligations purple and theorems green. Click on individual names to get more information on the proof.
| Name: | Sequent: | Type: |
|---|---|---|
| delete-class | str ≠ str0 ⊦ (claset ++ ((* str)) .class) -- ((* str0)) .class = (claset -- str0 .class) ++ str .class | A User Theorem |
| size-class | ⊦ # (claset ++ ((* str)) .class) = 1 + # (claset -- str .class) | A User Theorem |