Nuprl Lemma : rng_nat_op-int
∀[n:ℕ]. ∀[a:ℤ].  (n ⋅ℤ-rng a ~ n * a)
Proof
Definitions occuring in Statement : 
rng_nat_op: n ⋅r e, 
int_ring: ℤ-rng, 
nat: ℕ, 
uall: ∀[x:A]. B[x], 
multiply: n * m, 
int: ℤ, 
sqequal: s ~ t
Definitions unfolded in proof : 
rng_nat_op: n ⋅r e, 
mon_nat_op: n ⋅ e, 
add_grp_of_rng: r↓+gp, 
grp_op: *, 
pi2: snd(t), 
pi1: fst(t), 
grp_id: e, 
int_ring: ℤ-rng, 
rng_plus: +r, 
rng_zero: 0, 
nat_op: n x(op;id) e, 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
nat: ℕ, 
implies: P ⇒ Q, 
false: False, 
ge: i ≥ j , 
uimplies: b supposing a, 
satisfiable_int_formula: satisfiable_int_formula(fmla), 
exists: ∃x:A. B[x], 
not: ¬A, 
all: ∀x:A. B[x], 
top: Top, 
and: P ∧ Q, 
prop: ℙ, 
itop: Π(op,id) lb ≤ i < ub. E[i], 
ycomb: Y, 
lt_int: i <z j, 
infix_ap: x f y, 
subtract: n - m, 
ifthenelse: if b then t else f fi , 
bfalse: ff, 
decidable: Dec(P), 
or: P ∨ Q, 
bool: 𝔹, 
unit: Unit, 
it: ⋅, 
btrue: tt, 
uiff: uiff(P;Q), 
sq_type: SQType(T), 
guard: {T}, 
bnot: ¬bb, 
assert: ↑b
Lemmas referenced : 
nat_properties, 
satisfiable-full-omega-tt, 
intformand_wf, 
intformle_wf, 
itermConstant_wf, 
itermVar_wf, 
intformless_wf, 
int_formula_prop_and_lemma, 
int_formula_prop_le_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_less_lemma, 
int_formula_prop_wf, 
ge_wf, 
less_than_wf, 
zero-mul, 
decidable__le, 
subtract_wf, 
intformnot_wf, 
itermSubtract_wf, 
int_formula_prop_not_lemma, 
int_term_value_subtract_lemma, 
subtype_base_sq, 
int_subtype_base, 
lt_int_wf, 
bool_wf, 
eqtt_to_assert, 
assert_of_lt_int, 
decidable__equal_int, 
intformeq_wf, 
itermAdd_wf, 
itermMultiply_wf, 
int_formula_prop_eq_lemma, 
int_term_value_add_lemma, 
int_term_value_mul_lemma, 
eqff_to_assert, 
equal_wf, 
bool_cases_sqequal, 
bool_subtype_base, 
assert-bnot, 
nat_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalRule, 
sqequalReflexivity, 
sqequalTransitivity, 
computationStep, 
isect_memberFormation, 
introduction, 
cut, 
extract_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
hypothesis, 
setElimination, 
rename, 
intWeakElimination, 
lambdaFormation, 
natural_numberEquality, 
independent_isectElimination, 
dependent_pairFormation, 
lambdaEquality, 
int_eqEquality, 
intEquality, 
dependent_functionElimination, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
independent_pairFormation, 
computeAll, 
independent_functionElimination, 
sqequalAxiom, 
unionElimination, 
instantiate, 
cumulativity, 
equalityElimination, 
equalityTransitivity, 
equalitySymmetry, 
productElimination, 
because_Cache, 
promote_hyp
Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[a:\mBbbZ{}].    (n  \mcdot{}\mBbbZ{}-rng  a  \msim{}  n  *  a)
Date html generated:
2017_10_01-AM-08_18_50
Last ObjectModification:
2017_02_28-PM-02_03_34
Theory : rings_1
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