Nuprl Lemma : rotate-by-is-id
∀[n,i:ℕ].  rotate-by(n;i) = (λx.x) ∈ (ℕn ⟶ ℕn) supposing n | i
Proof
Definitions occuring in Statement : 
rotate-by: rotate-by(n;i), 
divides: b | a, 
int_seg: {i..j-}, 
nat: ℕ, 
uimplies: b supposing a, 
uall: ∀[x:A]. B[x], 
lambda: λx.A[x], 
function: x:A ⟶ B[x], 
natural_number: $n, 
equal: s = t ∈ T
Definitions unfolded in proof : 
uall: ∀[x:A]. B[x], 
member: t ∈ T, 
uimplies: b supposing a, 
uiff: uiff(P;Q), 
and: P ∧ Q, 
prop: ℙ, 
nat: ℕ, 
all: ∀x:A. B[x], 
int_nzero: ℤ-o, 
nequal: a ≠ b ∈ T , 
ge: i ≥ j , 
not: ¬A, 
implies: P ⇒ Q, 
satisfiable_int_formula: satisfiable_int_formula(fmla), 
exists: ∃x:A. B[x], 
false: False, 
top: Top, 
iff: P ⇐⇒ Q
Lemmas referenced : 
nequal_wf, 
equal_wf, 
int_formula_prop_wf, 
int_formula_prop_less_lemma, 
int_term_value_constant_lemma, 
int_term_value_var_lemma, 
int_formula_prop_eq_lemma, 
int_formula_prop_and_lemma, 
intformless_wf, 
itermConstant_wf, 
itermVar_wf, 
intformeq_wf, 
intformand_wf, 
satisfiable-full-omega-tt, 
nat_properties, 
divides_iff_rem_zero, 
nat_wf, 
divides_wf, 
less_than_wf, 
rotate-by-id
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
isect_memberFormation, 
introduction, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
isectElimination, 
thin, 
hypothesisEquality, 
productElimination, 
independent_isectElimination, 
hypothesis, 
natural_numberEquality, 
setElimination, 
rename, 
sqequalRule, 
isect_memberEquality, 
axiomEquality, 
because_Cache, 
equalityTransitivity, 
equalitySymmetry, 
dependent_functionElimination, 
dependent_set_memberEquality, 
lambdaFormation, 
dependent_pairFormation, 
lambdaEquality, 
int_eqEquality, 
intEquality, 
voidElimination, 
voidEquality, 
independent_pairFormation, 
computeAll, 
independent_functionElimination
Latex:
\mforall{}[n,i:\mBbbN{}].    rotate-by(n;i)  =  (\mlambda{}x.x)  supposing  n  |  i
Date html generated:
2016_05_15-PM-06_14_10
Last ObjectModification:
2016_01_16-PM-00_48_33
Theory : general
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