Nuprl Lemma : exp_functionality_wrt_assoced
∀n:ℕ. ∀x,y:ℤ.  ((x ~ y) 
⇒ (x^n ~ y^n))
Proof
Definitions occuring in Statement : 
assoced: a ~ b
, 
exp: i^n
, 
nat: ℕ
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
int: ℤ
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
member: t ∈ T
, 
prop: ℙ
, 
uall: ∀[x:A]. B[x]
, 
so_lambda: λ2x.t[x]
, 
nat: ℕ
, 
decidable: Dec(P)
, 
or: P ∨ Q
, 
uimplies: b supposing a
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
exists: ∃x:A. B[x]
, 
false: False
, 
not: ¬A
, 
top: Top
, 
and: P ∧ Q
, 
so_apply: x[s]
, 
exp: i^n
, 
bool: 𝔹
, 
unit: Unit
, 
it: ⋅
, 
btrue: tt
, 
uiff: uiff(P;Q)
, 
ifthenelse: if b then t else f fi 
, 
bfalse: ff
, 
iff: P 
⇐⇒ Q
, 
rev_implies: P 
⇐ Q
Lemmas referenced : 
multiply_functionality_wrt_assoced, 
assoced_functionality_wrt_assoced, 
primrec-unroll, 
assert_of_bnot, 
eqff_to_assert, 
iff_weakening_uiff, 
not_wf, 
bnot_wf, 
bfalse_wf, 
iff_transitivity, 
int_formula_prop_eq_lemma, 
intformeq_wf, 
assert_of_eq_int, 
eqtt_to_assert, 
assert_wf, 
btrue_wf, 
equal_wf, 
uiff_transitivity, 
bool_wf, 
eq_int_wf, 
assoced_weakening, 
exp0_lemma, 
nat_wf, 
primrec-wf2, 
less_than_wf, 
set_wf, 
le_wf, 
int_formula_prop_wf, 
int_formula_prop_less_lemma, 
int_term_value_var_lemma, 
int_term_value_subtract_lemma, 
int_term_value_constant_lemma, 
int_formula_prop_le_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_and_lemma, 
intformless_wf, 
itermVar_wf, 
itermSubtract_wf, 
itermConstant_wf, 
intformle_wf, 
intformnot_wf, 
intformand_wf, 
satisfiable-full-omega-tt, 
subtract_wf, 
decidable__le, 
exp_wf2, 
assoced_wf, 
all_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
cut, 
thin, 
rename, 
setElimination, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
intEquality, 
sqequalRule, 
lambdaEquality, 
because_Cache, 
functionEquality, 
hypothesisEquality, 
hypothesis, 
dependent_set_memberEquality, 
dependent_functionElimination, 
natural_numberEquality, 
unionElimination, 
independent_isectElimination, 
dependent_pairFormation, 
int_eqEquality, 
isect_memberEquality, 
voidElimination, 
voidEquality, 
independent_pairFormation, 
computeAll, 
introduction, 
equalityElimination, 
independent_functionElimination, 
equalityTransitivity, 
equalitySymmetry, 
productElimination, 
impliesFunctionality, 
equalityEquality, 
multiplyEquality
Latex:
\mforall{}n:\mBbbN{}.  \mforall{}x,y:\mBbbZ{}.    ((x  \msim{}  y)  {}\mRightarrow{}  (x\^{}n  \msim{}  y\^{}n))
Date html generated:
2016_05_15-PM-04_50_56
Last ObjectModification:
2016_01_16-AM-11_26_53
Theory : general
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