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Mirrors > Home > MPE Home > Th. List > prm23ge5 | Structured version Visualization version GIF version |
Description: A prime is either 2 or 3 or greater than or equal to 5. (Contributed by AV, 5-Jul-2021.) |
Ref | Expression |
---|---|
prm23ge5 | ⊢ (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1 6 | . 2 ⊢ ((𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) | |
2 | 3ioran 1108 | . . 3 ⊢ (¬ (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)) ↔ (¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3 ∧ ¬ 𝑃 ∈ (ℤ≥‘5))) | |
3 | 3ianor 1109 | . . . . . . 7 ⊢ (¬ (5 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 5 ≤ 𝑃) ↔ (¬ 5 ∈ ℤ ∨ ¬ 𝑃 ∈ ℤ ∨ ¬ 5 ≤ 𝑃)) | |
4 | eluz2 12409 | . . . . . . 7 ⊢ (𝑃 ∈ (ℤ≥‘5) ↔ (5 ∈ ℤ ∧ 𝑃 ∈ ℤ ∧ 5 ≤ 𝑃)) | |
5 | 3, 4 | xchnxbir 336 | . . . . . 6 ⊢ (¬ 𝑃 ∈ (ℤ≥‘5) ↔ (¬ 5 ∈ ℤ ∨ ¬ 𝑃 ∈ ℤ ∨ ¬ 5 ≤ 𝑃)) |
6 | 5nn 11881 | . . . . . . . . 9 ⊢ 5 ∈ ℕ | |
7 | 6 | nnzi 12166 | . . . . . . . 8 ⊢ 5 ∈ ℤ |
8 | 7 | pm2.24i 153 | . . . . . . 7 ⊢ (¬ 5 ∈ ℤ → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
9 | pm2.24 124 | . . . . . . . . 9 ⊢ (𝑃 ∈ ℤ → (¬ 𝑃 ∈ ℤ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) | |
10 | prmz 16195 | . . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℤ) | |
11 | 9, 10 | syl11 33 | . . . . . . . 8 ⊢ (¬ 𝑃 ∈ ℤ → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
12 | 11 | a1d 25 | . . . . . . 7 ⊢ (¬ 𝑃 ∈ ℤ → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
13 | 10 | zred 12247 | . . . . . . . . . 10 ⊢ (𝑃 ∈ ℙ → 𝑃 ∈ ℝ) |
14 | 5re 11882 | . . . . . . . . . . 11 ⊢ 5 ∈ ℝ | |
15 | 14 | a1i 11 | . . . . . . . . . 10 ⊢ (𝑃 ∈ ℙ → 5 ∈ ℝ) |
16 | 13, 15 | ltnled 10944 | . . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → (𝑃 < 5 ↔ ¬ 5 ≤ 𝑃)) |
17 | prm23lt5 16330 | . . . . . . . . . . 11 ⊢ ((𝑃 ∈ ℙ ∧ 𝑃 < 5) → (𝑃 = 2 ∨ 𝑃 = 3)) | |
18 | ioran 984 | . . . . . . . . . . . 12 ⊢ (¬ (𝑃 = 2 ∨ 𝑃 = 3) ↔ (¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3)) | |
19 | pm2.24 124 | . . . . . . . . . . . 12 ⊢ ((𝑃 = 2 ∨ 𝑃 = 3) → (¬ (𝑃 = 2 ∨ 𝑃 = 3) → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) | |
20 | 18, 19 | syl5bir 246 | . . . . . . . . . . 11 ⊢ ((𝑃 = 2 ∨ 𝑃 = 3) → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
21 | 17, 20 | syl 17 | . . . . . . . . . 10 ⊢ ((𝑃 ∈ ℙ ∧ 𝑃 < 5) → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
22 | 21 | ex 416 | . . . . . . . . 9 ⊢ (𝑃 ∈ ℙ → (𝑃 < 5 → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
23 | 16, 22 | sylbird 263 | . . . . . . . 8 ⊢ (𝑃 ∈ ℙ → (¬ 5 ≤ 𝑃 → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
24 | 23 | com3l 89 | . . . . . . 7 ⊢ (¬ 5 ≤ 𝑃 → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
25 | 8, 12, 24 | 3jaoi 1429 | . . . . . 6 ⊢ ((¬ 5 ∈ ℤ ∨ ¬ 𝑃 ∈ ℤ ∨ ¬ 5 ≤ 𝑃) → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
26 | 5, 25 | sylbi 220 | . . . . 5 ⊢ (¬ 𝑃 ∈ (ℤ≥‘5) → ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
27 | 26 | com12 32 | . . . 4 ⊢ ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3) → (¬ 𝑃 ∈ (ℤ≥‘5) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))))) |
28 | 27 | 3impia 1119 | . . 3 ⊢ ((¬ 𝑃 = 2 ∧ ¬ 𝑃 = 3 ∧ ¬ 𝑃 ∈ (ℤ≥‘5)) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
29 | 2, 28 | sylbi 220 | . 2 ⊢ (¬ (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)) → (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5)))) |
30 | 1, 29 | pm2.61i 185 | 1 ⊢ (𝑃 ∈ ℙ → (𝑃 = 2 ∨ 𝑃 = 3 ∨ 𝑃 ∈ (ℤ≥‘5))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 399 ∨ wo 847 ∨ w3o 1088 ∧ w3a 1089 = wceq 1543 ∈ wcel 2112 class class class wbr 5039 ‘cfv 6358 ℝcr 10693 < clt 10832 ≤ cle 10833 2c2 11850 3c3 11851 5c5 11853 ℤcz 12141 ℤ≥cuz 12403 ℙcprime 16191 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-sep 5177 ax-nul 5184 ax-pow 5243 ax-pr 5307 ax-un 7501 ax-cnex 10750 ax-resscn 10751 ax-1cn 10752 ax-icn 10753 ax-addcl 10754 ax-addrcl 10755 ax-mulcl 10756 ax-mulrcl 10757 ax-mulcom 10758 ax-addass 10759 ax-mulass 10760 ax-distr 10761 ax-i2m1 10762 ax-1ne0 10763 ax-1rid 10764 ax-rnegex 10765 ax-rrecex 10766 ax-cnre 10767 ax-pre-lttri 10768 ax-pre-lttrn 10769 ax-pre-ltadd 10770 ax-pre-mulgt0 10771 ax-pre-sup 10772 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-nel 3037 df-ral 3056 df-rex 3057 df-reu 3058 df-rmo 3059 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-pw 4501 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-pred 6140 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-riota 7148 df-ov 7194 df-oprab 7195 df-mpo 7196 df-om 7623 df-1st 7739 df-2nd 7740 df-wrecs 8025 df-recs 8086 df-rdg 8124 df-1o 8180 df-2o 8181 df-er 8369 df-en 8605 df-dom 8606 df-sdom 8607 df-fin 8608 df-sup 9036 df-pnf 10834 df-mnf 10835 df-xr 10836 df-ltxr 10837 df-le 10838 df-sub 11029 df-neg 11030 df-div 11455 df-nn 11796 df-2 11858 df-3 11859 df-4 11860 df-5 11861 df-n0 12056 df-z 12142 df-uz 12404 df-rp 12552 df-fz 13061 df-seq 13540 df-exp 13601 df-cj 14627 df-re 14628 df-im 14629 df-sqrt 14763 df-abs 14764 df-dvds 15779 df-prm 16192 |
This theorem is referenced by: gausslemma2dlem0f 26196 gausslemma2dlem4 26204 |
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