Nuprl Lemma : mFOL-rename_wf
∀[fmla:mFOL()]. ∀[old,new:ℤ].  (mFOL-rename(fmla;old;new) ∈ mFOL())
Proof
Definitions occuring in Statement : 
mFOL-rename: mFOL-rename(fmla;old;new)
, 
mFOL: mFOL()
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
int: ℤ
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
mFOL-rename: mFOL-rename(fmla;old;new)
, 
so_lambda: λ2x y.t[x; y]
, 
so_apply: x[s1;s2]
, 
so_lambda: so_lambda(x,y,z,w,v.t[x; y; z; w; v])
, 
so_apply: x[s1;s2;s3;s4;s5]
, 
so_lambda: so_lambda(x,y,z,w.t[x; y; z; w])
, 
so_apply: x[s1;s2;s3;s4]
Lemmas referenced : 
mFOL_ind_wf_simple, 
mFOL_wf, 
mFOatomic_wf, 
map_wf, 
ifthenelse_wf, 
eq_int_wf, 
list_wf, 
mFOconnect_wf, 
mFOquant_wf, 
bool_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesis, 
hypothesisEquality, 
lambdaEquality, 
intEquality, 
atomEquality, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry, 
isect_memberEquality, 
because_Cache
Latex:
\mforall{}[fmla:mFOL()].  \mforall{}[old,new:\mBbbZ{}].    (mFOL-rename(fmla;old;new)  \mmember{}  mFOL())
Date html generated:
2016_05_15-PM-10_14_53
Last ObjectModification:
2015_12_27-PM-06_32_14
Theory : minimal-first-order-logic
Home
Index