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Theorem disj-r

⊦ r ∈ h1 ∧ h0 ⊥ h1 → (r ∈ h0 ↔ false)

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: at-uni, del-uni, disj-distr-uni, disj-l, exin-uni, subset-uni, uni-ass, uni-com, uni-inj, write-left,
Used by units in proved state: separation-rg,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 4
Used lemmas: disj,
Used spec theorems:
- Used simplifier rules: