[Imprint][Data Privacy Statement][E-Mail]

View long theorem info. View the proof. Back to main index. View the specification. View theorem base summary, View theorem base listing, the used properties by spec, the dependency list, the symbol table,

Proof step 4 from proof alloc (previous step)

P(H) ⊦ ∃ r0. ¬ r0 ∈ H ∧ r0 ≠ null

User applied rule apply lemma

And obtained the following new goals

Proof step 5:
⊦ ∃ r. ¬ r ∈ H ∧ r ≠ null
Proof step 6:
P(H), ∃ r. ¬ r ∈ H ∧ r ≠ null ⊦ ∃ r0. ¬ r0 ∈ H ∧ r0 ≠ null

Rule argument

spec: ops-impl name: infinite-mem seq: ⊦ ∃ r. ¬ r ∈ H ∧ r ≠ null subst: [H] → [H]

Additional information

Used terms: H