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| Mirrors > Home > MPE Home > Th. List > 3prm | Structured version Visualization version GIF version | ||
| Description: 3 is a prime number. (Contributed by Paul Chapman, 22-Jun-2011.) |
| Ref | Expression |
|---|---|
| 3prm | ⊢ 3 ∈ ℙ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3z 12623 | . . 3 ⊢ 3 ∈ ℤ | |
| 2 | 1lt3 12412 | . . 3 ⊢ 1 < 3 | |
| 3 | eluz2b1 12939 | . . 3 ⊢ (3 ∈ (ℤ≥‘2) ↔ (3 ∈ ℤ ∧ 1 < 3)) | |
| 4 | 1, 2, 3 | mpbir2an 723 | . 2 ⊢ 3 ∈ (ℤ≥‘2) |
| 5 | elfz1eq 13559 | . . . . 5 ⊢ (𝑧 ∈ (2...2) → 𝑧 = 2) | |
| 6 | n2dvds3 16425 | . . . . . 6 ⊢ ¬ 2 ∥ 3 | |
| 7 | breq1 5113 | . . . . . 6 ⊢ (𝑧 = 2 → (𝑧 ∥ 3 ↔ 2 ∥ 3)) | |
| 8 | 6, 7 | mtbiri 330 | . . . . 5 ⊢ (𝑧 = 2 → ¬ 𝑧 ∥ 3) |
| 9 | 5, 8 | syl 18 | . . . 4 ⊢ (𝑧 ∈ (2...2) → ¬ 𝑧 ∥ 3) |
| 10 | 3m1e2 12364 | . . . . 5 ⊢ (3 − 1) = 2 | |
| 11 | 10 | oveq2i 7419 | . . . 4 ⊢ (2...(3 − 1)) = (2...2) |
| 12 | 9, 11 | eleq2s 2887 | . . 3 ⊢ (𝑧 ∈ (2...(3 − 1)) → ¬ 𝑧 ∥ 3) |
| 13 | 12 | rgen 3087 | . 2 ⊢ ∀𝑧 ∈ (2...(3 − 1)) ¬ 𝑧 ∥ 3 |
| 14 | isprm3 16737 | . 2 ⊢ (3 ∈ ℙ ↔ (3 ∈ (ℤ≥‘2) ∧ ∀𝑧 ∈ (2...(3 − 1)) ¬ 𝑧 ∥ 3)) | |
| 15 | 4, 13, 14 | mpbir2an 723 | 1 ⊢ 3 ∈ ℙ |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 = wceq 1567 ∈ wcel 2149 ∀wral 3085 class class class wbr 5110 ‘cfv 6534 (class class class)co 7408 1c1 11097 < clt 11239 − cmin 11437 2c2 12291 3c3 12292 ℤcz 12587 ℤ≥cuz 12858 ...cfz 13531 ∥ cdvds 16306 ℙcprime 16725 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-cnex 11152 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 ax-pre-sup 11174 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6300 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7859 df-1st 7982 df-2nd 7983 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-2o 8450 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9398 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-div 11868 df-nn 12230 df-2 12299 df-3 12300 df-4 12301 df-n0 12501 df-z 12588 df-uz 12859 df-rp 13013 df-fz 13532 df-seq 14034 df-exp 14094 df-cj 15146 df-re 15147 df-im 15148 df-sqrt 15282 df-abs 15283 df-dvds 16307 df-prm 16726 |
| This theorem is referenced by: ge2nprmge4 16756 3lcm2e6 16787 prmo3 17097 4001lem4 17200 lt6abl 19961 2logb9irr 26922 2logb3irr 26924 ppi3 27297 cht3 27299 bpos1 27409 2sqr3nconstr 34112 cos9thpinconstrlem2 34121 fmtno0prm 48194 m2prm 48227 ppivalnnnprm 48264 6gbe 48420 7gbow 48421 8gbe 48422 9gbo 48423 11gbo 48424 sbgoldbwt 48426 sbgoldbst 48427 sbgoldbo 48436 nnsum3primesle9 48443 nnsum4primeseven 48449 nnsum4primesevenALTV 48450 zlmodzxznm 49157 |
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