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| Mirrors > Home > ILE Home > Th. List > 19prm | GIF version | ||
| Description: 19 is a prime number. (Contributed by Mario Carneiro, 18-Feb-2014.) (Revised by Mario Carneiro, 20-Apr-2015.) |
| Ref | Expression |
|---|---|
| 19prm | ⊢ ;19 ∈ ℙ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1nn0 9584 | . . 3 ⊢ 1 ∈ ℕ0 | |
| 2 | 9nn 9478 | . . 3 ⊢ 9 ∈ ℕ | |
| 3 | 1, 2 | decnncl 9805 | . 2 ⊢ ;19 ∈ ℕ |
| 4 | 1nn 9318 | . . 3 ⊢ 1 ∈ ℕ | |
| 5 | 9nn0 9592 | . . 3 ⊢ 9 ∈ ℕ0 | |
| 6 | 1lt10 9925 | . . 3 ⊢ 1 < ;10 | |
| 7 | 4, 5, 1, 6 | declti 9824 | . 2 ⊢ 1 < ;19 |
| 8 | 4nn0 9587 | . . 3 ⊢ 4 ∈ ℕ0 | |
| 9 | 4t2e8 9467 | . . 3 ⊢ (4 · 2) = 8 | |
| 10 | df-9 9373 | . . 3 ⊢ 9 = (8 + 1) | |
| 11 | 1, 8, 9, 10 | dec2dvds 13213 | . 2 ⊢ ¬ 2 ∥ ;19 |
| 12 | 3nn 9472 | . . 3 ⊢ 3 ∈ ℕ | |
| 13 | 6nn0 9589 | . . 3 ⊢ 6 ∈ ℕ0 | |
| 14 | 8nn0 9591 | . . . 4 ⊢ 8 ∈ ℕ0 | |
| 15 | 8p1e9 9448 | . . . 4 ⊢ (8 + 1) = 9 | |
| 16 | 6cn 9389 | . . . . 5 ⊢ 6 ∈ ℂ | |
| 17 | 3cn 9382 | . . . . 5 ⊢ 3 ∈ ℂ | |
| 18 | 6t3e18 9891 | . . . . 5 ⊢ (6 · 3) = ;18 | |
| 19 | 16, 17, 18 | mulcomli 8334 | . . . 4 ⊢ (3 · 6) = ;18 |
| 20 | 1, 14, 15, 19 | decsuc 9817 | . . 3 ⊢ ((3 · 6) + 1) = ;19 |
| 21 | 1lt3 9481 | . . 3 ⊢ 1 < 3 | |
| 22 | 12, 13, 4, 20, 21 | ndvdsi 12719 | . 2 ⊢ ¬ 3 ∥ ;19 |
| 23 | 2nn0 9585 | . . 3 ⊢ 2 ∈ ℕ0 | |
| 24 | 5nn0 9588 | . . 3 ⊢ 5 ∈ ℕ0 | |
| 25 | 9lt10 9917 | . . 3 ⊢ 9 < ;10 | |
| 26 | 1lt2 9479 | . . 3 ⊢ 1 < 2 | |
| 27 | 1, 23, 5, 24, 25, 26 | decltc 9815 | . 2 ⊢ ;19 < ;25 |
| 28 | 3, 7, 11, 22, 27 | prmlem1 13245 | 1 ⊢ ;19 ∈ ℙ |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: ∈ wcel 2209 (class class class)co 6085 1c1 8181 · cmul 8185 2c2 9358 3c3 9359 4c4 9360 5c5 9361 6c6 9362 8c8 9364 9c9 9365 ;cdc 9782 ℙcprime 12904 |
| This proof depends on 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 4246 ax-sep 4249 ax-nul 4259 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-iinf 4735 ax-cnex 8271 ax-resscn 8272 ax-1cn 8273 ax-1re 8274 ax-icn 8275 ax-addcl 8276 ax-addrcl 8277 ax-mulcl 8278 ax-mulrcl 8279 ax-addcom 8280 ax-mulcom 8281 ax-addass 8282 ax-mulass 8283 ax-distr 8284 ax-i2m1 8285 ax-0lt1 8286 ax-1rid 8287 ax-0id 8288 ax-rnegex 8289 ax-precex 8290 ax-cnre 8291 ax-pre-ltirr 8292 ax-pre-ltwlin 8293 ax-pre-lttrn 8294 ax-pre-apti 8295 ax-pre-ltadd 8296 ax-pre-mulgt0 8297 ax-pre-mulext 8298 ax-arch 8299 ax-caucvg 8300 |
| This proof depends on definitions: df-bi 117 df-stab 843 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 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-tr 4230 df-id 4438 df-po 4441 df-iso 4442 df-iord 4511 df-on 4513 df-ilim 4514 df-suc 4516 df-iom 4738 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-f1 5382 df-fo 5383 df-f1o 5384 df-fv 5385 df-riota 6038 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-recs 6576 df-frec 6662 df-1o 6687 df-2o 6688 df-er 6807 df-en 7023 df-pnf 8363 df-mnf 8364 df-xr 8365 df-ltxr 8366 df-le 8367 df-sub 8501 df-neg 8502 df-reap 8906 df-ap 8913 df-div 9006 df-inn 9308 df-2 9366 df-3 9367 df-4 9368 df-5 9369 df-6 9370 df-7 9371 df-8 9372 df-9 9373 df-n0 9569 df-z 9650 df-dec 9783 df-uz 9932 df-q 10030 df-rp 10066 df-fz 10423 df-fzo 10561 df-fl 10716 df-mod 10775 df-seqfrec 10900 df-exp 10991 df-cj 11623 df-re 11624 df-im 11625 df-rsqrt 11780 df-abs 11781 df-dvds 12574 df-prm 12905 |
| This theorem is used by: (None) |
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