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Proof step 10 from proof ex-p (
previous step
)
∃ H0, H1. H0 ⊥ H1 ∧ H = H0 ∪ H1 ∧ xP(x)(H0) ∧ P(H1) ⊦ ∃ H0, H1. H0 ⊥ H1 ∧ H = H0 ∪ H1 ∧ (∃ x. xP(x)(H0)) ∧ P(H1)
Heuristic simplifier applied rule simplifier
And obtained the following new goals
Proof step 11
:
P(H0), xP(x)(H1), H1 ⊥ H0 ⊦ ∃ H3, H2. H3 ⊥ H2 ∧ H1 ∪ H0 = H3 ∪ H2 ∧ (∃ x. xP(x)(H3)) ∧ P(H2)
Rule argument
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