Nuprl Lemma : q-floor_wf
∀[r:ℚ]. ([r] ∈ ℤ)
Proof
Definitions occuring in Statement : 
q-floor: [r]
, 
rationals: ℚ
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
int: ℤ
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
q-floor: [r]
, 
all: ∀x:A. B[x]
, 
subtype_rel: A ⊆r B
, 
and: P ∧ Q
, 
prop: ℙ
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
uimplies: b supposing a
, 
top: Top
Lemmas referenced : 
pi1_wf_top, 
rat-int-part_wf2, 
subtype_rel_set, 
rationals_wf, 
and_wf, 
qle_wf, 
int-subtype-rationals, 
qless_wf, 
top_wf, 
equal_wf, 
qadd_wf, 
subtype_rel_product
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
sqequalRule, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
intEquality, 
dependent_functionElimination, 
hypothesisEquality, 
hypothesis, 
applyEquality, 
productEquality, 
setEquality, 
natural_numberEquality, 
because_Cache, 
lambdaEquality, 
spreadEquality, 
setElimination, 
rename, 
independent_isectElimination, 
lambdaFormation, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
axiomEquality, 
equalityTransitivity, 
equalitySymmetry
Latex:
\mforall{}[r:\mBbbQ{}].  ([r]  \mmember{}  \mBbbZ{})
Date html generated:
2016_05_15-PM-11_34_40
Last ObjectModification:
2015_12_27-PM-07_27_46
Theory : rationals
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