Nuprl Lemma : divisibility-lattice_wf
divisibility-lattice() ∈ Lattice
Proof
Definitions occuring in Statement : 
divisibility-lattice: divisibility-lattice()
, 
lattice: Lattice
, 
member: t ∈ T
Definitions unfolded in proof : 
divisibility-lattice: divisibility-lattice()
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
, 
nat: ℕ
, 
all: ∀x:A. B[x]
, 
prop: ℙ
, 
uimplies: b supposing a
, 
so_apply: x[s1;s2]
, 
and: P ∧ Q
, 
cand: A c∧ B
, 
squash: ↓T
, 
true: True
, 
subtype_rel: A ⊆r B
, 
guard: {T}
, 
iff: P 
⇐⇒ Q
, 
rev_implies: P 
⇐ Q
, 
implies: P 
⇒ Q
, 
label: ...$L... t
, 
ge: i ≥ j 
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
false: False
, 
not: ¬A
, 
top: Top
Lemmas referenced : 
mk-lattice_wf, 
nat_wf, 
gcd_wf, 
gcd-non-neg, 
le_wf, 
lcm_wf_nat, 
gcd_sym_nat, 
zero-le-nat, 
equal_wf, 
squash_wf, 
true_wf, 
lcm-com-nat, 
lcm_wf, 
iff_weakening_equal, 
gcd_assoc_nat, 
trivial-equal, 
lcm-assoc-nat, 
lcm-gcd-absorption, 
nat_properties, 
decidable__equal_int, 
satisfiable-full-omega-tt, 
intformand_wf, 
intformnot_wf, 
intformeq_wf, 
itermVar_wf, 
int_formula_prop_and_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_eq_lemma, 
int_term_value_var_lemma, 
int_formula_prop_wf, 
decidable__le, 
intformle_wf, 
itermConstant_wf, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
gcd-lcm-absorption
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
cut, 
introduction, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesis, 
lambdaEquality, 
dependent_set_memberEquality, 
dependent_functionElimination, 
setElimination, 
rename, 
hypothesisEquality, 
natural_numberEquality, 
because_Cache, 
independent_isectElimination, 
sqequalRule, 
isect_memberFormation, 
isect_memberEquality, 
axiomEquality, 
independent_pairFormation, 
applyEquality, 
imageElimination, 
equalityTransitivity, 
equalitySymmetry, 
universeEquality, 
intEquality, 
imageMemberEquality, 
baseClosed, 
productElimination, 
independent_functionElimination, 
unionElimination, 
dependent_pairFormation, 
int_eqEquality, 
voidElimination, 
voidEquality, 
computeAll
Latex:
divisibility-lattice()  \mmember{}  Lattice
Date html generated:
2017_10_05-AM-00_30_33
Last ObjectModification:
2017_07_28-AM-09_12_36
Theory : lattices
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