Nuprl Lemma : rnexp-add
∀[n,m:ℕ]. ∀[x:ℝ].  ((x^n * x^m) = x^n + m)
Proof
Definitions occuring in Statement : 
rnexp: x^k1
, 
req: x = y
, 
rmul: a * b
, 
real: ℝ
, 
nat: ℕ
, 
uall: ∀[x:A]. B[x]
, 
add: n + m
Definitions unfolded in proof : 
req_int_terms: t1 ≡ t2
, 
so_apply: x[s]
, 
so_lambda: λ2x.t[x]
, 
nequal: a ≠ b ∈ T 
, 
assert: ↑b
, 
bnot: ¬bb
, 
guard: {T}
, 
sq_type: SQType(T)
, 
bfalse: ff
, 
ifthenelse: if b then t else f fi 
, 
btrue: tt
, 
it: ⋅
, 
unit: Unit
, 
bool: 𝔹
, 
rev_uimplies: rev_uimplies(P;Q)
, 
uiff: uiff(P;Q)
, 
prop: ℙ
, 
and: P ∧ Q
, 
top: Top
, 
false: False
, 
exists: ∃x:A. B[x]
, 
satisfiable_int_formula: satisfiable_int_formula(fmla)
, 
implies: P 
⇒ Q
, 
not: ¬A
, 
uimplies: b supposing a
, 
or: P ∨ Q
, 
decidable: Dec(P)
, 
all: ∀x:A. B[x]
, 
ge: i ≥ j 
, 
nat: ℕ
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
real_term_value_const_lemma, 
real_term_value_var_lemma, 
real_term_value_mul_lemma, 
real_term_value_sub_lemma, 
real_polynomial_null, 
req_inversion, 
req-iff-rsub-is-0, 
itermMultiply_wf, 
general_arith_equation1, 
rmul_comm, 
rmul-one, 
decidable__equal_int, 
int_subtype_base, 
set_subtype_base, 
rnexp_unroll, 
rmul_functionality, 
int_formula_prop_eq_lemma, 
intformeq_wf, 
neg_assert_of_eq_int, 
assert-bnot, 
bool_subtype_base, 
subtype_base_sq, 
bool_cases_sqequal, 
equal_wf, 
eqff_to_assert, 
assert_of_eq_int, 
eqtt_to_assert, 
bool_wf, 
eq_int_wf, 
req_functionality, 
req_weakening, 
zero-add, 
rmul-identity1, 
int-to-real_wf, 
int_term_value_subtract_lemma, 
itermSubtract_wf, 
subtract_wf, 
rnexp_zero_lemma, 
less_than_wf, 
ge_wf, 
int_formula_prop_less_lemma, 
intformless_wf, 
nat_wf, 
real_wf, 
le_wf, 
int_formula_prop_wf, 
int_term_value_var_lemma, 
int_term_value_add_lemma, 
int_term_value_constant_lemma, 
int_formula_prop_le_lemma, 
int_formula_prop_not_lemma, 
int_formula_prop_and_lemma, 
itermVar_wf, 
itermAdd_wf, 
itermConstant_wf, 
intformle_wf, 
intformnot_wf, 
intformand_wf, 
full-omega-unsat, 
decidable__le, 
nat_properties, 
rnexp_wf, 
rmul_wf, 
req_witness
Rules used in proof : 
cumulativity, 
instantiate, 
promote_hyp, 
equalitySymmetry, 
equalityTransitivity, 
equalityElimination, 
productElimination, 
lambdaFormation, 
intWeakElimination, 
because_Cache, 
independent_pairFormation, 
sqequalRule, 
voidEquality, 
voidElimination, 
isect_memberEquality, 
intEquality, 
int_eqEquality, 
lambdaEquality, 
dependent_pairFormation, 
independent_functionElimination, 
approximateComputation, 
independent_isectElimination, 
unionElimination, 
natural_numberEquality, 
dependent_functionElimination, 
rename, 
setElimination, 
addEquality, 
dependent_set_memberEquality, 
hypothesis, 
hypothesisEquality, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
extract_by_obid, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[n,m:\mBbbN{}].  \mforall{}[x:\mBbbR{}].    ((x\^{}n  *  x\^{}m)  =  x\^{}n  +  m)
Date html generated:
2018_05_22-PM-01_32_46
Last ObjectModification:
2018_05_21-AM-00_07_23
Theory : reals
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