| (∅ ++ a ++ b).min = (∅ ++ a ++ b).butmin.min ⊦ a = b |
Used simplifier rules: min-two-01: ⊦ a < b → (∅ ++ b ++ a).min = a;%bmin-two-02: ⊦ a < b → (∅ ++ b ++ a).butmin = ∅ ++ b;%min-one: ⊦ (∅ ++ a).min = a;%min-two: ⊦ a < b → (∅ ++ a ++ b).min = a;%bmin-two-01: ⊦ a < b → (∅ ++ a ++ b).butmin = ∅ ++ b;%min-one: ⊦ (∅ ++ a).min = a;%sls: ⊦ a ≠ b → (¬ a < b ↔ b < a); from specification oelem Used formulas: b < a