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Theorem Data-in-putdelput

⊦ ¬ d0 ∈ st ∧ d0 ≠ d1 ∧ d0 ≠ d2 → ¬ d0 ∈ (st[b, d1] -- a)[c, d2]

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 6
Used lemmas: In-data-in, Del-at, Del-in, in-neq, At-other, At-same, Data-in,
Used spec theorems:
- Used simplifier rules: