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Theorem precedesex-2

⊦ precedes∃(ix0 ' + ix1 ', x) ↔ (∀ n1. n1 ∈ ix1 → (∃ n0. n0 ∈ ix0 ∧ precedes(n0, n1, x)))

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp,
Comment:
Used by: precedesex-pushix, precedesex-rev-rec1,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 3
Used lemmas: precedesex-rec0, precedesex-rec1,
Used spec theorems:
- list/indexseq-stackseq/One
- list/indexseq-stackseq/c
Used simplifier rules:
- list/indexseq-stackseq/app
- list/indexseq-stackseq/a