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Mirrors > Home > ILE Home > Th. List > nnsub | Unicode version |
Description: Subtraction of positive integers. (Contributed by NM, 20-Aug-2001.) (Revised by Mario Carneiro, 16-May-2014.) |
Ref | Expression |
---|---|
nnsub |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq2 3789 | . . . . . 6 | |
2 | oveq1 5539 | . . . . . . 7 | |
3 | 2 | eleq1d 2147 | . . . . . 6 |
4 | 1, 3 | imbi12d 232 | . . . . 5 |
5 | 4 | ralbidv 2368 | . . . 4 |
6 | breq2 3789 | . . . . . 6 | |
7 | oveq1 5539 | . . . . . . 7 | |
8 | 7 | eleq1d 2147 | . . . . . 6 |
9 | 6, 8 | imbi12d 232 | . . . . 5 |
10 | 9 | ralbidv 2368 | . . . 4 |
11 | breq2 3789 | . . . . . 6 | |
12 | oveq1 5539 | . . . . . . 7 | |
13 | 12 | eleq1d 2147 | . . . . . 6 |
14 | 11, 13 | imbi12d 232 | . . . . 5 |
15 | 14 | ralbidv 2368 | . . . 4 |
16 | breq2 3789 | . . . . . 6 | |
17 | oveq1 5539 | . . . . . . 7 | |
18 | 17 | eleq1d 2147 | . . . . . 6 |
19 | 16, 18 | imbi12d 232 | . . . . 5 |
20 | 19 | ralbidv 2368 | . . . 4 |
21 | nnnlt1 8065 | . . . . . 6 | |
22 | 21 | pm2.21d 581 | . . . . 5 |
23 | 22 | rgen 2416 | . . . 4 |
24 | breq1 3788 | . . . . . . 7 | |
25 | oveq2 5540 | . . . . . . . 8 | |
26 | 25 | eleq1d 2147 | . . . . . . 7 |
27 | 24, 26 | imbi12d 232 | . . . . . 6 |
28 | 27 | cbvralv 2577 | . . . . 5 |
29 | nncn 8047 | . . . . . . . . . . . . 13 | |
30 | 29 | adantr 270 | . . . . . . . . . . . 12 |
31 | ax-1cn 7069 | . . . . . . . . . . . 12 | |
32 | pncan 7314 | . . . . . . . . . . . 12 | |
33 | 30, 31, 32 | sylancl 404 | . . . . . . . . . . 11 |
34 | simpl 107 | . . . . . . . . . . 11 | |
35 | 33, 34 | eqeltrd 2155 | . . . . . . . . . 10 |
36 | oveq2 5540 | . . . . . . . . . . 11 | |
37 | 36 | eleq1d 2147 | . . . . . . . . . 10 |
38 | 35, 37 | syl5ibrcom 155 | . . . . . . . . 9 |
39 | 38 | a1dd 47 | . . . . . . . 8 |
40 | 39 | a1dd 47 | . . . . . . 7 |
41 | breq1 3788 | . . . . . . . . . 10 | |
42 | oveq2 5540 | . . . . . . . . . . 11 | |
43 | 42 | eleq1d 2147 | . . . . . . . . . 10 |
44 | 41, 43 | imbi12d 232 | . . . . . . . . 9 |
45 | 44 | rspcv 2697 | . . . . . . . 8 |
46 | nnre 8046 | . . . . . . . . . . 11 | |
47 | nnre 8046 | . . . . . . . . . . 11 | |
48 | 1re 7118 | . . . . . . . . . . . 12 | |
49 | ltsubadd 7536 | . . . . . . . . . . . 12 | |
50 | 48, 49 | mp3an2 1256 | . . . . . . . . . . 11 |
51 | 46, 47, 50 | syl2anr 284 | . . . . . . . . . 10 |
52 | nncn 8047 | . . . . . . . . . . . 12 | |
53 | subsub3 7340 | . . . . . . . . . . . . 13 | |
54 | 31, 53 | mp3an3 1257 | . . . . . . . . . . . 12 |
55 | 29, 52, 54 | syl2an 283 | . . . . . . . . . . 11 |
56 | 55 | eleq1d 2147 | . . . . . . . . . 10 |
57 | 51, 56 | imbi12d 232 | . . . . . . . . 9 |
58 | 57 | biimpd 142 | . . . . . . . 8 |
59 | 45, 58 | syl9r 72 | . . . . . . 7 |
60 | nn1m1nn 8057 | . . . . . . . 8 | |
61 | 60 | adantl 271 | . . . . . . 7 |
62 | 40, 59, 61 | mpjaod 670 | . . . . . 6 |
63 | 62 | ralrimdva 2441 | . . . . 5 |
64 | 28, 63 | syl5bi 150 | . . . 4 |
65 | 5, 10, 15, 20, 23, 64 | nnind 8055 | . . 3 |
66 | breq1 3788 | . . . . 5 | |
67 | oveq2 5540 | . . . . . 6 | |
68 | 67 | eleq1d 2147 | . . . . 5 |
69 | 66, 68 | imbi12d 232 | . . . 4 |
70 | 69 | rspcva 2699 | . . 3 |
71 | 65, 70 | sylan2 280 | . 2 |
72 | nngt0 8064 | . . 3 | |
73 | nnre 8046 | . . . 4 | |
74 | nnre 8046 | . . . 4 | |
75 | posdif 7559 | . . . 4 | |
76 | 73, 74, 75 | syl2an 283 | . . 3 |
77 | 72, 76 | syl5ibr 154 | . 2 |
78 | 71, 77 | impbid 127 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 wb 103 wo 661 wceq 1284 wcel 1433 wral 2348 class class class wbr 3785 (class class class)co 5532 cc 6979 cr 6980 cc0 6981 c1 6982 caddc 6984 clt 7153 cmin 7279 cn 8039 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-cnex 7067 ax-resscn 7068 ax-1cn 7069 ax-1re 7070 ax-icn 7071 ax-addcl 7072 ax-addrcl 7073 ax-mulcl 7074 ax-addcom 7076 ax-addass 7078 ax-distr 7080 ax-i2m1 7081 ax-0lt1 7082 ax-0id 7084 ax-rnegex 7085 ax-cnre 7087 ax-pre-ltirr 7088 ax-pre-ltwlin 7089 ax-pre-lttrn 7090 ax-pre-ltadd 7092 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-nel 2340 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-br 3786 df-opab 3840 df-id 4048 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-iota 4887 df-fun 4924 df-fv 4930 df-riota 5488 df-ov 5535 df-oprab 5536 df-mpt2 5537 df-pnf 7155 df-mnf 7156 df-xr 7157 df-ltxr 7158 df-le 7159 df-sub 7281 df-neg 7282 df-inn 8040 |
This theorem is referenced by: nnsubi 8078 uz3m2nn 8661 |
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