Nuprl Lemma : mFOL-subst_wf
∀[fmla:mFOL()]. ∀[nw,old:ℤ]. (fmla[nw/old] ∈ mFOL())
Proof
Definitions occuring in Statement :
mFOL-subst: fmla[nw/old],
mFOL: mFOL(),
uall: ∀[x:A]. B[x],
member: t ∈ T,
int: ℤ
Lemmas :
mFOL-rename_wf,
mFOL-rename-bound-to-avoid_wf,
cons_wf,
nil_wf,
mFOL_wf,
AbstractFOFormula_wf,
mFOL-abstract_wf,
l_disjoint_wf,
mFOL-boundvars_wf
\mforall{}[fmla:mFOL()]. \mforall{}[nw,old:\mBbbZ{}]. (fmla[nw/old] \mmember{} mFOL())
Date html generated:
2015_07_17-AM-07_54_39
Last ObjectModification:
2015_01_27-AM-10_06_12
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