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Mirrors > Home > MPE Home > Th. List > gausslemma2dlem0f | Structured version Visualization version GIF version |
Description: Auxiliary lemma 6 for gausslemma2d 25099. (Contributed by AV, 9-Jul-2021.) |
Ref | Expression |
---|---|
gausslemma2dlem0.p | ⊢ (𝜑 → 𝑃 ∈ (ℙ ∖ {2})) |
gausslemma2dlem0.m | ⊢ 𝑀 = (⌊‘(𝑃 / 4)) |
gausslemma2dlem0.h | ⊢ 𝐻 = ((𝑃 − 1) / 2) |
Ref | Expression |
---|---|
gausslemma2dlem0f | ⊢ (𝜑 → (𝑀 + 1) ≤ 𝐻) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | gausslemma2dlem0.p | . . 3 ⊢ (𝜑 → 𝑃 ∈ (ℙ ∖ {2})) | |
2 | eldifsn 4317 | . . . 4 ⊢ (𝑃 ∈ (ℙ ∖ {2}) ↔ (𝑃 ∈ ℙ ∧ 𝑃 ≠ 2)) | |
3 | prm23ge5 15520 | . . . . . 6 ⊢ (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))) | |
4 | eqneqall 2805 | . . . . . . 7 ⊢ (𝑃 = 2 → (𝑃 ≠ 2 → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) | |
5 | orc 400 | . . . . . . . 8 ⊢ (𝑃 = 3 → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))) | |
6 | 5 | a1d 25 | . . . . . . 7 ⊢ (𝑃 = 3 → (𝑃 ≠ 2 → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
7 | olc 399 | . . . . . . . 8 ⊢ (𝑃 ∈ (ℤ≥‘5) → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))) | |
8 | 7 | a1d 25 | . . . . . . 7 ⊢ (𝑃 ∈ (ℤ≥‘5) → (𝑃 ≠ 2 → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
9 | 4, 6, 8 | 3jaoi 1391 | . . . . . 6 ⊢ ((𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)) → (𝑃 ≠ 2 → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
10 | 3, 9 | syl 17 | . . . . 5 ⊢ (𝑃 ∈ ℙ → (𝑃 ≠ 2 → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
11 | 10 | imp 445 | . . . 4 ⊢ ((𝑃 ∈ ℙ ∧ 𝑃 ≠ 2) → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))) |
12 | 2, 11 | sylbi 207 | . . 3 ⊢ (𝑃 ∈ (ℙ ∖ {2}) → (𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))) |
13 | fldiv4p1lem1div2 12636 | . . 3 ⊢ ((𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)) → ((⌊‘(𝑃 / 4)) + 1) ≤ ((𝑃 − 1) / 2)) | |
14 | 1, 12, 13 | 3syl 18 | . 2 ⊢ (𝜑 → ((⌊‘(𝑃 / 4)) + 1) ≤ ((𝑃 − 1) / 2)) |
15 | gausslemma2dlem0.m | . . 3 ⊢ 𝑀 = (⌊‘(𝑃 / 4)) | |
16 | 15 | oveq1i 6660 | . 2 ⊢ (𝑀 + 1) = ((⌊‘(𝑃 / 4)) + 1) |
17 | gausslemma2dlem0.h | . 2 ⊢ 𝐻 = ((𝑃 − 1) / 2) | |
18 | 14, 16, 17 | 3brtr4g 4687 | 1 ⊢ (𝜑 → (𝑀 + 1) ≤ 𝐻) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∨ wo 383 ∧ wa 384 ∨ w3o 1036 = wceq 1483 ∈ wcel 1990 ≠ wne 2794 ∖ cdif 3571 {csn 4177 class class class wbr 4653 ‘cfv 5888 (class class class)co 6650 1c1 9937 + caddc 9939 ≤ cle 10075 − cmin 10266 / cdiv 10684 2c2 11070 3c3 11071 4c4 11072 5c5 11073 ℤ≥cuz 11687 ⌊cfl 12591 ℙcprime 15385 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 ax-pre-sup 10014 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-nel 2898 df-ral 2917 df-rex 2918 df-reu 2919 df-rmo 2920 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-pred 5680 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-2o 7561 df-er 7742 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-sup 8348 df-inf 8349 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-div 10685 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-n0 11293 df-z 11378 df-uz 11688 df-rp 11833 df-fz 12327 df-fl 12593 df-seq 12802 df-exp 12861 df-cj 13839 df-re 13840 df-im 13841 df-sqrt 13975 df-abs 13976 df-dvds 14984 df-prm 15386 |
This theorem is referenced by: gausslemma2dlem5 25096 |
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