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Mirrors > Home > ILE Home > Th. List > prm23lt5 | Unicode version |
Description: A prime less than 5 is either 2 or 3. (Contributed by AV, 5-Jul-2021.) |
Ref | Expression |
---|---|
prm23lt5 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | prmnn 12003 | . . . . 5 | |
2 | 1 | nnnn0d 9149 | . . . 4 |
3 | 2 | adantr 274 | . . 3 |
4 | 4nn0 9115 | . . . 4 | |
5 | 4 | a1i 9 | . . 3 |
6 | df-5 8901 | . . . . . 6 | |
7 | 6 | breq2i 3975 | . . . . 5 |
8 | prmz 12004 | . . . . . . 7 | |
9 | 4z 9203 | . . . . . . 7 | |
10 | zleltp1 9228 | . . . . . . 7 | |
11 | 8, 9, 10 | sylancl 410 | . . . . . 6 |
12 | 11 | biimprd 157 | . . . . 5 |
13 | 7, 12 | syl5bi 151 | . . . 4 |
14 | 13 | imp 123 | . . 3 |
15 | elfz2nn0 10021 | . . 3 | |
16 | 3, 5, 14, 15 | syl3anbrc 1166 | . 2 |
17 | fz0to4untppr 10033 | . . . 4 | |
18 | 17 | eleq2i 2224 | . . 3 |
19 | elun 3249 | . . . . . 6 | |
20 | eltpi 3608 | . . . . . . . 8 | |
21 | nnne0 8867 | . . . . . . . . . . 11 | |
22 | eqneqall 2337 | . . . . . . . . . . . 12 | |
23 | 22 | com12 30 | . . . . . . . . . . 11 |
24 | 1, 21, 23 | 3syl 17 | . . . . . . . . . 10 |
25 | 24 | com12 30 | . . . . . . . . 9 |
26 | eleq1 2220 | . . . . . . . . . 10 | |
27 | 1nprm 12007 | . . . . . . . . . . 11 | |
28 | 27 | pm2.21i 636 | . . . . . . . . . 10 |
29 | 26, 28 | syl6bi 162 | . . . . . . . . 9 |
30 | orc 702 | . . . . . . . . . 10 | |
31 | 30 | a1d 22 | . . . . . . . . 9 |
32 | 25, 29, 31 | 3jaoi 1285 | . . . . . . . 8 |
33 | 20, 32 | syl 14 | . . . . . . 7 |
34 | elpri 3584 | . . . . . . . 8 | |
35 | olc 701 | . . . . . . . . . 10 | |
36 | 35 | a1d 22 | . . . . . . . . 9 |
37 | eleq1 2220 | . . . . . . . . . 10 | |
38 | 4nprm 12022 | . . . . . . . . . . 11 | |
39 | 38 | pm2.21i 636 | . . . . . . . . . 10 |
40 | 37, 39 | syl6bi 162 | . . . . . . . . 9 |
41 | 36, 40 | jaoi 706 | . . . . . . . 8 |
42 | 34, 41 | syl 14 | . . . . . . 7 |
43 | 33, 42 | jaoi 706 | . . . . . 6 |
44 | 19, 43 | sylbi 120 | . . . . 5 |
45 | 44 | com12 30 | . . . 4 |
46 | 45 | adantr 274 | . . 3 |
47 | 18, 46 | syl5bi 151 | . 2 |
48 | 16, 47 | mpd 13 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wo 698 w3o 962 wceq 1335 wcel 2128 wne 2327 cun 3100 cpr 3562 ctp 3563 class class class wbr 3967 (class class class)co 5827 cc0 7735 c1 7736 caddc 7738 clt 7915 cle 7916 cn 8839 c2 8890 c3 8891 c4 8892 c5 8893 cn0 9096 cz 9173 cfz 9919 cprime 12000 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-coll 4082 ax-sep 4085 ax-nul 4093 ax-pow 4138 ax-pr 4172 ax-un 4396 ax-setind 4499 ax-iinf 4550 ax-cnex 7826 ax-resscn 7827 ax-1cn 7828 ax-1re 7829 ax-icn 7830 ax-addcl 7831 ax-addrcl 7832 ax-mulcl 7833 ax-mulrcl 7834 ax-addcom 7835 ax-mulcom 7836 ax-addass 7837 ax-mulass 7838 ax-distr 7839 ax-i2m1 7840 ax-0lt1 7841 ax-1rid 7842 ax-0id 7843 ax-rnegex 7844 ax-precex 7845 ax-cnre 7846 ax-pre-ltirr 7847 ax-pre-ltwlin 7848 ax-pre-lttrn 7849 ax-pre-apti 7850 ax-pre-ltadd 7851 ax-pre-mulgt0 7852 ax-pre-mulext 7853 ax-arch 7854 ax-caucvg 7855 |
This theorem depends on definitions: df-bi 116 df-dc 821 df-3or 964 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rmo 2443 df-rab 2444 df-v 2714 df-sbc 2938 df-csb 3032 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-nul 3396 df-if 3507 df-pw 3546 df-sn 3567 df-pr 3568 df-tp 3569 df-op 3570 df-uni 3775 df-int 3810 df-iun 3853 df-br 3968 df-opab 4029 df-mpt 4030 df-tr 4066 df-id 4256 df-po 4259 df-iso 4260 df-iord 4329 df-on 4331 df-ilim 4332 df-suc 4334 df-iom 4553 df-xp 4595 df-rel 4596 df-cnv 4597 df-co 4598 df-dm 4599 df-rn 4600 df-res 4601 df-ima 4602 df-iota 5138 df-fun 5175 df-fn 5176 df-f 5177 df-f1 5178 df-fo 5179 df-f1o 5180 df-fv 5181 df-riota 5783 df-ov 5830 df-oprab 5831 df-mpo 5832 df-1st 6091 df-2nd 6092 df-recs 6255 df-frec 6341 df-1o 6366 df-2o 6367 df-er 6483 df-en 6689 df-pnf 7917 df-mnf 7918 df-xr 7919 df-ltxr 7920 df-le 7921 df-sub 8053 df-neg 8054 df-reap 8455 df-ap 8462 df-div 8551 df-inn 8840 df-2 8898 df-3 8899 df-4 8900 df-5 8901 df-n0 9097 df-z 9174 df-uz 9446 df-q 9536 df-rp 9568 df-fz 9920 df-seqfrec 10355 df-exp 10429 df-cj 10754 df-re 10755 df-im 10756 df-rsqrt 10910 df-abs 10911 df-dvds 11696 df-prm 12001 |
This theorem is referenced by: prm23ge5 12155 |
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