Nuprl Lemma : sine-approx-lemma-bad-ext

a:{2...}. ∀N:ℕ.  (∃k:ℕ [(N ≤ (a^((2 k) 3) ((2 k) 3)!))])


Proof




Definitions occuring in Statement :  fact: (n)! exp: i^n int_upper: {i...} nat: le: A ≤ B all: x:A. B[x] sq_exists: x:A [B[x]] multiply: m add: m natural_number: $n
Definitions unfolded in proof :  member: t ∈ T sine-approx-lemma-bad decidable__le decidable__and decidable__not decidable__less_than' decidable__implies decidable__false any: any x uall: [x:A]. B[x] so_lambda: so_lambda(x,y,z,w.t[x; y; z; w]) so_apply: x[s1;s2;s3;s4] so_lambda: λ2x.t[x] top: Top so_apply: x[s] uimplies: supposing a
Lemmas referenced :  sine-approx-lemma-bad lifting-strict-decide istype-void strict4-decide lifting-strict-less decidable__le decidable__and decidable__not decidable__less_than' decidable__implies decidable__false
Rules used in proof :  introduction sqequalSubstitution sqequalTransitivity computationStep sqequalReflexivity cut instantiate extract_by_obid hypothesis sqequalRule thin sqequalHypSubstitution equalityTransitivity equalitySymmetry isectElimination baseClosed isect_memberEquality_alt voidElimination independent_isectElimination

Latex:
\mforall{}a:\{2...\}.  \mforall{}N:\mBbbN{}.    (\mexists{}k:\mBbbN{}  [(N  \mleq{}  (a\^{}((2  *  k)  +  3)  *  ((2  *  k)  +  3)!))])



Date html generated: 2019_10_29-AM-10_33_12
Last ObjectModification: 2019_02_02-AM-10_37_57

Theory : reals


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