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Proof step 2 from proof py-pw (previous step)

py(user, p, st) ⊦ pw(user, meta(p, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
⊦ py(user, p, st) ↔ pw(user, p, st) ∧ px(user, p, st)
Proof step 4:
pw(user, p, st), px(user, p, st) ⊦ pw(user, meta(p, st))

Rule argument

Additional information

Used simplifier rules: py: ⊦ py(user, p, st) ↔ pw(user, p, st) ∧ px(user, p, st);