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| Mirrors > Home > ILE Home > Th. List > gausslemma2dlem0e | GIF version | ||
| Description: Auxiliary lemma 5 for gausslemma2d 16105. (Contributed by AV, 9-Jul-2021.) |
| Ref | Expression |
|---|---|
| gausslemma2dlem0.p | ⊢ (𝜑 → 𝑃 ∈ (ℙ ∖ {2})) |
| gausslemma2dlem0.m | ⊢ 𝑀 = (⌊‘(𝑃 / 4)) |
| Ref | Expression |
|---|---|
| gausslemma2dlem0e | ⊢ (𝜑 → (𝑀 · 2) < (𝑃 / 2)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gausslemma2dlem0.m | . . 3 ⊢ 𝑀 = (⌊‘(𝑃 / 4)) | |
| 2 | 1 | oveq1i 6088 | . 2 ⊢ (𝑀 · 2) = ((⌊‘(𝑃 / 4)) · 2) |
| 3 | gausslemma2dlem0.p | . . 3 ⊢ (𝜑 → 𝑃 ∈ (ℙ ∖ {2})) | |
| 4 | nnoddn2prm 13020 | . . 3 ⊢ (𝑃 ∈ (ℙ ∖ {2}) → (𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃)) | |
| 5 | nnz 9645 | . . . 4 ⊢ (𝑃 ∈ ℕ → 𝑃 ∈ ℤ) | |
| 6 | 5 | anim1i 340 | . . 3 ⊢ ((𝑃 ∈ ℕ ∧ ¬ 2 ∥ 𝑃) → (𝑃 ∈ ℤ ∧ ¬ 2 ∥ 𝑃)) |
| 7 | flodddiv4t2lthalf 12687 | . . 3 ⊢ ((𝑃 ∈ ℤ ∧ ¬ 2 ∥ 𝑃) → ((⌊‘(𝑃 / 4)) · 2) < (𝑃 / 2)) | |
| 8 | 3, 4, 6, 7 | 4syl 18 | . 2 ⊢ (𝜑 → ((⌊‘(𝑃 / 4)) · 2) < (𝑃 / 2)) |
| 9 | 2, 8 | eqbrtrid 4163 | 1 ⊢ (𝜑 → (𝑀 · 2) < (𝑃 / 2)) |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 3 → wi 4 ∧ wa 104 = wceq 1402 ∈ wcel 2209 ∖ cdif 3217 {csn 3708 class class class wbr 4128 ‘cfv 5375 (class class class)co 6078 · cmul 8177 < clt 8353 / cdiv 8995 ℕcn 9286 2c2 9337 4c4 9339 ℤcz 9626 ⌊cfl 10684 ∥ cdvds 12535 ℙcprime 12866 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-nul 4257 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 ax-iinf 4733 ax-cnex 8263 ax-resscn 8264 ax-1cn 8265 ax-1re 8266 ax-icn 8267 ax-addcl 8268 ax-addrcl 8269 ax-mulcl 8270 ax-mulrcl 8271 ax-addcom 8272 ax-mulcom 8273 ax-addass 8274 ax-mulass 8275 ax-distr 8276 ax-i2m1 8277 ax-0lt1 8278 ax-1rid 8279 ax-0id 8280 ax-rnegex 8281 ax-precex 8282 ax-cnre 8283 ax-pre-ltirr 8284 ax-pre-ltwlin 8285 ax-pre-lttrn 8286 ax-pre-apti 8287 ax-pre-ltadd 8288 ax-pre-mulgt0 8289 ax-pre-mulext 8290 ax-arch 8291 ax-caucvg 8292 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-xor 1425 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-reu 2535 df-rmo 2536 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-if 3639 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-tr 4228 df-id 4436 df-po 4439 df-iso 4440 df-iord 4509 df-on 4511 df-ilim 4512 df-suc 4514 df-iom 4736 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-riota 6031 df-ov 6081 df-oprab 6082 df-mpo 6083 df-1st 6367 df-2nd 6368 df-recs 6569 df-frec 6655 df-1o 6680 df-2o 6681 df-er 6800 df-en 7016 df-pnf 8355 df-mnf 8356 df-xr 8357 df-ltxr 8358 df-le 8359 df-sub 8492 df-neg 8493 df-reap 8896 df-ap 8903 df-div 8996 df-inn 9287 df-2 9345 df-3 9346 df-4 9347 df-n0 9546 df-z 9627 df-uz 9904 df-q 10002 df-rp 10037 df-fl 10686 df-seqfrec 10866 df-exp 10957 df-cj 11588 df-re 11589 df-im 11590 df-rsqrt 11745 df-abs 11746 df-dvds 12536 df-prm 12867 |
| This theorem is referenced by: gausslemma2dlem2 16098 |
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