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Theorem same-subclasses-contains-tdnameex-02

⊦ tdname∃(str0, class) ∧ ¬ tdname∃(str, class) ∧ class ≤ class0 → ¬ same-subclasses-contains(class0, str, str0)

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: same-subclasses-contains-tdnameex-03,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: same-subclasses-all-def,
Used spec theorems:
- Used simplifier rules:
  - junkrefs/same-subclasses-tdnameex-05