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Step * 2 1 of Lemma FormSet_wf2


1. C : Type
2. x : Atom
3. phi : Form(C)
4. ↑wfForm(phi)
5. ↑SafeForm(phi)
6. ¬↑termForm(phi)
7. PZF-safe(phi;[x])
8. ↑wfForm({x | phi})
9. ↑SafeForm(phi)
⊢ ↑PZF_safe(phi;[x])
BY
{ (RWO  "assert-PZF_safe" 0 THEN Auto) }

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Latex:

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Latex:

1.  C  :  Type
2.  x  :  Atom
3.  phi  :  Form(C)
4.  \muparrow{}wfForm(phi)
5.  \muparrow{}SafeForm(phi)
6.  \mneg{}\muparrow{}termForm(phi)
7.  PZF-safe(phi;[x])
8.  \muparrow{}wfForm(\{x  |  phi\})
9.  \muparrow{}SafeForm(phi)
\mvdash{}  \muparrow{}PZF\_safe(phi;[x])


By

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Latex:
(RWO    "assert-PZF\_safe"  0  THEN  Auto)

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