Nuprl Lemma : qexp-nonneg

∀[n:ℕ]. ∀[r:ℚ].  0 ≤ r ↑ n supposing 0 ≤ r


Proof




Definitions occuring in Statement :  qexp: r ↑ n,  qle: r ≤ s,  rationals: ℚ,  nat: ℕ,  uimplies: b supposing a,  uall: ∀[x:A]. B[x],  natural_number: $n
Definitions unfolded in proof :  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,  subtype_rel: A ⊆r B,  squash: ↓T,  true: True,  guard: {T},  iff: P ⇐⇒ Q,  rev_implies: P ⇐ Q,  qle: r ≤ s,  grp_leq: a ≤ b,  assert: ↑b,  ifthenelse: if b then t else f fi ,  infix_ap: x f y,  grp_le: ≤b,  pi1: fst(t),  pi2: snd(t),  qadd_grp: <ℚ+>,  q_le: q_le(r;s),  callbyvalueall: callbyvalueall,  evalall: evalall(t),  bor: p ∨bq,  qpositive: qpositive(r),  qsub: r - s,  qadd: r + s,  qmul: r * s,  btrue: tt,  lt_int: i <z j,  le: A ≤ B,  less_than': less_than'(a;b),  decidable: Dec(P),  or: P ∨ Q,  nat_plus: ℕ+,  rev_uimplies: rev_uimplies(P;Q),  qge: a ≥ b,  bfalse: ff,  qeq: qeq(r;s),  eq_int: (i =z j)
Lemmas referenced :  qmul_zero_qrng,  qmul_functionality_wrt_qle,  qle_weakening_eq_qorder,  qle_functionality_wrt_implies,  qle_reflexivity,  qmul_wf,  nat_wf,  int-subtype-rationals,  exp_unroll_q,  int_term_value_subtract_lemma,  int_formula_prop_not_lemma,  itermSubtract_wf,  intformnot_wf,  subtract_wf,  decidable__le,  le_wf,  false_wf,  iff_weakening_equal,  exp_zero_q,  true_wf,  squash_wf,  rationals_wf,  qle_wf,  qexp_wf,  qle_witness,  less_than_wf,  ge_wf,  int_formula_prop_wf,  int_formula_prop_less_lemma,  int_term_value_var_lemma,  int_term_value_constant_lemma,  int_formula_prop_le_lemma,  int_formula_prop_and_lemma,  intformless_wf,  itermVar_wf,  itermConstant_wf,  intformle_wf,  intformand_wf,  satisfiable-full-omega-tt,  nat_properties
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  lemma_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,  sqequalRule,  independent_pairFormation,  computeAll,  independent_functionElimination,  applyEquality,  because_Cache,  equalityTransitivity,  equalitySymmetry,  imageElimination,  imageMemberEquality,  baseClosed,  universeEquality,  productElimination,  dependent_set_memberEquality,  unionElimination

Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[r:\mBbbQ{}].    0  \mleq{}  r  \muparrow{}  n  supposing  0  \mleq{}  r



Date html generated: 2016_05_15-PM-11_09_20
Last ObjectModification: 2016_01_16-PM-09_26_56

Theory : rationals


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