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Mirrors > Home > ILE Home > Th. List > nno | Unicode version |
Description: An alternate characterization of an odd integer greater than 1. (Contributed by AV, 2-Jun-2020.) |
Ref | Expression |
---|---|
nno |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eluz2b3 9425 | . . 3 | |
2 | nnnn0 9008 | . . . . . 6 | |
3 | nn0o1gt2 11638 | . . . . . 6 | |
4 | 2, 3 | sylan 281 | . . . . 5 |
5 | eqneqall 2319 | . . . . . . 7 | |
6 | 5 | a1d 22 | . . . . . 6 |
7 | nn0z 9098 | . . . . . . . . . . . 12 | |
8 | peano2zm 9116 | . . . . . . . . . . . 12 | |
9 | 7, 8 | syl 14 | . . . . . . . . . . 11 |
10 | 9 | ad2antlr 481 | . . . . . . . . . 10 |
11 | 2cn 8815 | . . . . . . . . . . . . . . 15 | |
12 | 11 | mulid2i 7793 | . . . . . . . . . . . . . 14 |
13 | nnre 8751 | . . . . . . . . . . . . . . . . 17 | |
14 | 13 | ltp1d 8712 | . . . . . . . . . . . . . . . 16 |
15 | 14 | adantr 274 | . . . . . . . . . . . . . . 15 |
16 | 2re 8814 | . . . . . . . . . . . . . . . . . 18 | |
17 | 16 | a1i 9 | . . . . . . . . . . . . . . . . 17 |
18 | peano2nn 8756 | . . . . . . . . . . . . . . . . . 18 | |
19 | 18 | nnred 8757 | . . . . . . . . . . . . . . . . 17 |
20 | lttr 7862 | . . . . . . . . . . . . . . . . 17 | |
21 | 17, 13, 19, 20 | syl3anc 1217 | . . . . . . . . . . . . . . . 16 |
22 | 21 | expdimp 257 | . . . . . . . . . . . . . . 15 |
23 | 15, 22 | mpd 13 | . . . . . . . . . . . . . 14 |
24 | 12, 23 | eqbrtrid 3971 | . . . . . . . . . . . . 13 |
25 | 1red 7805 | . . . . . . . . . . . . . 14 | |
26 | 19 | adantr 274 | . . . . . . . . . . . . . 14 |
27 | 2pos 8835 | . . . . . . . . . . . . . . . 16 | |
28 | 16, 27 | pm3.2i 270 | . . . . . . . . . . . . . . 15 |
29 | 28 | a1i 9 | . . . . . . . . . . . . . 14 |
30 | ltmuldiv 8656 | . . . . . . . . . . . . . 14 | |
31 | 25, 26, 29, 30 | syl3anc 1217 | . . . . . . . . . . . . 13 |
32 | 24, 31 | mpbid 146 | . . . . . . . . . . . 12 |
33 | 19 | rehalfcld 8990 | . . . . . . . . . . . . . 14 |
34 | 33 | adantr 274 | . . . . . . . . . . . . 13 |
35 | 25, 34 | posdifd 8318 | . . . . . . . . . . . 12 |
36 | 32, 35 | mpbid 146 | . . . . . . . . . . 11 |
37 | 36 | adantlr 469 | . . . . . . . . . 10 |
38 | elnnz 9088 | . . . . . . . . . 10 | |
39 | 10, 37, 38 | sylanbrc 414 | . . . . . . . . 9 |
40 | nncn 8752 | . . . . . . . . . . . . 13 | |
41 | xp1d2m1eqxm1d2 8996 | . . . . . . . . . . . . 13 | |
42 | 40, 41 | syl 14 | . . . . . . . . . . . 12 |
43 | 42 | eleq1d 2209 | . . . . . . . . . . 11 |
44 | 43 | adantr 274 | . . . . . . . . . 10 |
45 | 44 | adantr 274 | . . . . . . . . 9 |
46 | 39, 45 | mpbid 146 | . . . . . . . 8 |
47 | 46 | a1d 22 | . . . . . . 7 |
48 | 47 | expcom 115 | . . . . . 6 |
49 | 6, 48 | jaoi 706 | . . . . 5 |
50 | 4, 49 | mpcom 36 | . . . 4 |
51 | 50 | impancom 258 | . . 3 |
52 | 1, 51 | sylbi 120 | . 2 |
53 | 52 | imp 123 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wo 698 wceq 1332 wcel 1481 wne 2309 class class class wbr 3937 cfv 5131 (class class class)co 5782 cc 7642 cr 7643 cc0 7644 c1 7645 caddc 7647 cmul 7649 clt 7824 cmin 7957 cdiv 8456 cn 8744 c2 8795 cn0 9001 cz 9078 cuz 9350 |
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 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-13 1492 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 ax-un 4363 ax-setind 4460 ax-cnex 7735 ax-resscn 7736 ax-1cn 7737 ax-1re 7738 ax-icn 7739 ax-addcl 7740 ax-addrcl 7741 ax-mulcl 7742 ax-mulrcl 7743 ax-addcom 7744 ax-mulcom 7745 ax-addass 7746 ax-mulass 7747 ax-distr 7748 ax-i2m1 7749 ax-0lt1 7750 ax-1rid 7751 ax-0id 7752 ax-rnegex 7753 ax-precex 7754 ax-cnre 7755 ax-pre-ltirr 7756 ax-pre-ltwlin 7757 ax-pre-lttrn 7758 ax-pre-apti 7759 ax-pre-ltadd 7760 ax-pre-mulgt0 7761 ax-pre-mulext 7762 |
This theorem depends on definitions: df-bi 116 df-3or 964 df-3an 965 df-tru 1335 df-fal 1338 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ne 2310 df-nel 2405 df-ral 2422 df-rex 2423 df-reu 2424 df-rmo 2425 df-rab 2426 df-v 2691 df-sbc 2914 df-dif 3078 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-int 3780 df-br 3938 df-opab 3998 df-mpt 3999 df-id 4223 df-po 4226 df-iso 4227 df-xp 4553 df-rel 4554 df-cnv 4555 df-co 4556 df-dm 4557 df-iota 5096 df-fun 5133 df-fv 5139 df-riota 5738 df-ov 5785 df-oprab 5786 df-mpo 5787 df-pnf 7826 df-mnf 7827 df-xr 7828 df-ltxr 7829 df-le 7830 df-sub 7959 df-neg 7960 df-reap 8361 df-ap 8368 df-div 8457 df-inn 8745 df-2 8803 df-3 8804 df-4 8805 df-n0 9002 df-z 9079 df-uz 9351 |
This theorem is referenced by: nn0o 11640 |
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