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Theorem isPropFO-restrict-SF-l-head

⊦ isPropFO(n, l, bel) → bel -p n |SF l = (bel |SF l).tail

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: B-postfix-weak-delpos-propFO,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 7
Proof steps: 19
Used lemmas: isPropFO-rec, isPropFO-def, isPropFO-leading-SF, isPropFO-empty, B-restrict-SF-l,
Used spec theorems:
- Used simplifier rules: