Nuprl Lemma : path-comp-for-reals
path-comp-property(ℝ)
Proof
Definitions occuring in Statement : 
path-comp-property: path-comp-property(X)
, 
real-ss: ℝ
Definitions unfolded in proof : 
path-comp-property: path-comp-property(X)
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
uall: ∀[x:A]. B[x]
, 
member: t ∈ T
, 
subtype_rel: A ⊆r B
, 
and: P ∧ Q
, 
prop: ℙ
, 
so_lambda: λ2x.t[x]
, 
so_apply: x[s]
, 
uimplies: b supposing a
, 
rfun: I ⟶ℝ
, 
i-member: r ∈ I
, 
rccint: [l, u]
, 
ss-point: Point(ss)
, 
record-select: r.x
, 
real-ss: ℝ
, 
mk-ss: Point=P #=Sep cotrans=C
, 
record-update: r[x := v]
, 
ifthenelse: if b then t else f fi 
, 
eq_atom: x =a y
, 
bfalse: ff
, 
btrue: tt
, 
real: ℝ
, 
ss-eq: x ≡ y
, 
ss-sep: x # y
, 
unit-ss: 𝕀
, 
set-ss: {x:ss | P[x]}
, 
r-ap: f(x)
, 
not: ¬A
, 
false: False
, 
iff: P 
⇐⇒ Q
, 
cand: A c∧ B
, 
rev_implies: P 
⇐ Q
, 
le: A ≤ B
, 
less_than': less_than'(a;b)
, 
path-at: p@t
, 
path-comp-rel: path-comp-rel(X;f;g;h)
, 
exists: ∃x:A. B[x]
, 
squash: ↓T
, 
sq_stable: SqStable(P)
, 
top: Top
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
uiff: uiff(P;Q)
, 
nat_plus: ℕ+
, 
true: True
, 
less_than: a < b
, 
or: P ∨ Q
, 
guard: {T}
, 
rneq: x ≠ y
, 
rdiv: (x/y)
, 
req_int_terms: t1 ≡ t2
Lemmas referenced : 
path-ss-point, 
real-path-comp-exists, 
subtype_rel_set, 
real_wf, 
rleq_wf, 
int-to-real_wf, 
ss-point_wf, 
real-ss_wf, 
rfun_wf, 
rccint_wf, 
ss-eq_wf, 
unit-ss_wf, 
unit_ss_point_lemma, 
subtype_rel_self, 
rec_select_update_lemma, 
member_rccint_lemma, 
not-rneq, 
rneq_irrefl, 
rneq_functionality, 
req_weakening, 
req_inversion, 
rneq_wf, 
req_wf, 
i-member_wf, 
rleq-int, 
istype-false, 
path-at_wf, 
path-ss_wf, 
sq_stable__rleq, 
r-ap_wf, 
istype-void, 
int_formula_prop_wf, 
int_term_value_constant_lemma, 
int_formula_prop_eq_lemma, 
istype-int, 
intformeq_wf, 
full-omega-unsat, 
rneq-int, 
rleq_transitivity, 
istype-less_than, 
rleq-int-fractions3, 
subtype_rel_sets_simple, 
rinv_wf2, 
itermConstant_wf, 
itermVar_wf, 
itermMultiply_wf, 
itermSubtract_wf, 
rless_wf, 
rless-int, 
rdiv_wf, 
rmul_preserves_rleq2, 
rmul-nonneg-case1, 
rmul_wf, 
rleq_functionality, 
req_transitivity, 
rmul-rinv, 
req-iff-rsub-is-0, 
real_polynomial_null, 
real_term_value_sub_lemma, 
real_term_value_mul_lemma, 
real_term_value_var_lemma, 
real_term_value_const_lemma, 
rleq-int-fractions2, 
rleq-implies-rleq, 
rsub_wf, 
rmul-int
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation_alt, 
sqequalHypSubstitution, 
cut, 
introduction, 
extract_by_obid, 
isectElimination, 
thin, 
Error :memTop, 
hypothesis, 
sqequalRule, 
dependent_functionElimination, 
hypothesisEquality, 
applyEquality, 
functionEquality, 
setEquality, 
productEquality, 
natural_numberEquality, 
lambdaEquality_alt, 
functionIsType, 
setIsType, 
universeIsType, 
productIsType, 
because_Cache, 
independent_isectElimination, 
independent_functionElimination, 
setElimination, 
rename, 
productElimination, 
voidElimination, 
inhabitedIsType, 
independent_pairFormation, 
dependent_set_memberEquality_alt, 
dependent_pairFormation_alt, 
imageElimination, 
baseClosed, 
imageMemberEquality, 
closedConclusion, 
isect_memberEquality_alt, 
equalityIsType4, 
approximateComputation, 
promote_hyp, 
inrFormation_alt, 
int_eqEquality
Latex:
path-comp-property(\mBbbR{})
Date html generated:
2020_05_20-PM-01_20_57
Last ObjectModification:
2020_02_08-AM-11_41_35
Theory : intuitionistic!topology
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