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Theorem max-subset-01

⊦ s ≠ ∅ ∧ s ⊆ s0 → s.max ∈ s0

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: max-del,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: Min-min, Max-max, Min-in, Max-in,
Used spec theorems:
- Used simplifier rules: