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Proof step 4 from proof write-unknown (conclusion)

(r =>_ * P)(H) ⊦ ⟪write(r, o; H)⟫ (r => o * P)(H)

Heuristic weak unfold applied rule call right

And obtained the following new goals

Proof step 3:
(r =>_ * P)(H) ⊦ ⟪H0 := H, o0 := o, r0 := r⟫ ⟪if ¬ r0 ∈ H0 then abort else H0[r0] := o0⟫ (r => o * P)(H0)

Rule argument

[fmapos-arg: pos: right 1]

Additional information

[[CONCRETESIMPRULES : ([CSIMPDECL : write (r, o; H) { if ¬ r ∈ H then abort else H[r] := o }])]]