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Theorem not-pre2-term-unfair

□ (R1(pm, S', S'') ∧ R2(pm, S', S'')), [:S | [PL R1(pm, S', S'') -+-> (last ⊃ Post1(pm, s, S);G1(pm, S, S')) ∧ (□ R1(pm, S', S'') → ◇ last)] ∥nf [PL ¬ Pre2(pm, S)]], RG-restr(pm, R1, G1, Pre1, Post1, I, R2, G2, Pre2, Post2), Pre2(pm, S), Pre1(pm, s) ⊦ ◇ last

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: RG2-Sound+Term-unfair,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 3
Used lemmas: RG-restr-sym, not-pre1-term-unfair, pre1-i, pre2-i,
Used spec theorems:
- Used simplifier rules: