Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > znnen | Unicode version |
Description: The set of integers and the set of positive integers are equinumerous. Corollary 8.1.23 of [AczelRathjen], p. 75. (Contributed by NM, 31-Jul-2004.) |
Ref | Expression |
---|---|
znnen |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | unrab 3398 | . . 3 | |
2 | nnssz 9229 | . . . . . 6 | |
3 | dfss1 3331 | . . . . . 6 | |
4 | 2, 3 | mpbi 144 | . . . . 5 |
5 | dfin5 3128 | . . . . 5 | |
6 | 4, 5 | eqtr3i 2193 | . . . 4 |
7 | 6 | uneq1i 3277 | . . 3 |
8 | rabid2 2646 | . . . 4 | |
9 | elznn 9228 | . . . . 5 | |
10 | 9 | simprbi 273 | . . . 4 |
11 | 8, 10 | mprgbir 2528 | . . 3 |
12 | 1, 7, 11 | 3eqtr4ri 2202 | . 2 |
13 | nnex 8884 | . . . 4 | |
14 | 13 | enref 6743 | . . 3 |
15 | zex 9221 | . . . . . 6 | |
16 | 15 | rabex 4133 | . . . . 5 |
17 | nn0ex 9141 | . . . . 5 | |
18 | negeq 8112 | . . . . . . . 8 | |
19 | 18 | eleq1d 2239 | . . . . . . 7 |
20 | 19 | elrab 2886 | . . . . . 6 |
21 | 20 | simprbi 273 | . . . . 5 |
22 | negeq 8112 | . . . . . . 7 | |
23 | 22 | eleq1d 2239 | . . . . . 6 |
24 | nn0negz 9246 | . . . . . 6 | |
25 | nn0cn 9145 | . . . . . . . . 9 | |
26 | 25 | negnegd 8221 | . . . . . . . 8 |
27 | 26 | eleq1d 2239 | . . . . . . 7 |
28 | 27 | ibir 176 | . . . . . 6 |
29 | 23, 24, 28 | elrabd 2888 | . . . . 5 |
30 | elrabi 2883 | . . . . . . . 8 | |
31 | 30 | adantr 274 | . . . . . . 7 |
32 | 31 | zcnd 9335 | . . . . . 6 |
33 | 25 | adantl 275 | . . . . . 6 |
34 | negcon2 8172 | . . . . . 6 | |
35 | 32, 33, 34 | syl2anc 409 | . . . . 5 |
36 | 16, 17, 21, 29, 35 | en3i 6749 | . . . 4 |
37 | nn0ennn 10389 | . . . 4 | |
38 | 36, 37 | entri 6764 | . . 3 |
39 | inrab2 3400 | . . . 4 | |
40 | incom 3319 | . . . 4 | |
41 | rabeq0 3444 | . . . . 5 | |
42 | 0red 7921 | . . . . . . . 8 | |
43 | simpl 108 | . . . . . . . . 9 | |
44 | 43 | nnred 8891 | . . . . . . . 8 |
45 | nngt0 8903 | . . . . . . . . 9 | |
46 | 45 | adantr 274 | . . . . . . . 8 |
47 | nn0ge0 9160 | . . . . . . . . . 10 | |
48 | 47 | adantl 275 | . . . . . . . . 9 |
49 | 44 | le0neg1d 8436 | . . . . . . . . 9 |
50 | 48, 49 | mpbird 166 | . . . . . . . 8 |
51 | 42, 44, 42, 46, 50 | ltletrd 8342 | . . . . . . 7 |
52 | 42 | ltnrd 8031 | . . . . . . 7 |
53 | 51, 52 | pm2.65da 656 | . . . . . 6 |
54 | 53, 4 | eleq2s 2265 | . . . . 5 |
55 | 41, 54 | mprgbir 2528 | . . . 4 |
56 | 39, 40, 55 | 3eqtr3i 2199 | . . 3 |
57 | unennn 12352 | . . 3 | |
58 | 14, 38, 56, 57 | mp3an 1332 | . 2 |
59 | 12, 58 | eqbrtri 4010 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wa 103 wb 104 wo 703 wceq 1348 wcel 2141 crab 2452 cun 3119 cin 3120 wss 3121 c0 3414 class class class wbr 3989 cen 6716 cc 7772 cr 7773 cc0 7774 clt 7954 cle 7955 cneg 8091 cn 8878 cn0 9135 cz 9212 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-cnex 7865 ax-resscn 7866 ax-1cn 7867 ax-1re 7868 ax-icn 7869 ax-addcl 7870 ax-addrcl 7871 ax-mulcl 7872 ax-mulrcl 7873 ax-addcom 7874 ax-mulcom 7875 ax-addass 7876 ax-mulass 7877 ax-distr 7878 ax-i2m1 7879 ax-0lt1 7880 ax-1rid 7881 ax-0id 7882 ax-rnegex 7883 ax-precex 7884 ax-cnre 7885 ax-pre-ltirr 7886 ax-pre-ltwlin 7887 ax-pre-lttrn 7888 ax-pre-apti 7889 ax-pre-ltadd 7890 ax-pre-mulgt0 7891 ax-pre-mulext 7892 ax-arch 7893 |
This theorem depends on definitions: df-bi 116 df-dc 830 df-3or 974 df-3an 975 df-tru 1351 df-fal 1354 df-xor 1371 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-nel 2436 df-ral 2453 df-rex 2454 df-reu 2455 df-rmo 2456 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-nul 3415 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-int 3832 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-id 4278 df-po 4281 df-iso 4282 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-f1 5203 df-fo 5204 df-f1o 5205 df-fv 5206 df-riota 5809 df-ov 5856 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 df-er 6513 df-en 6719 df-pnf 7956 df-mnf 7957 df-xr 7958 df-ltxr 7959 df-le 7960 df-sub 8092 df-neg 8093 df-reap 8494 df-ap 8501 df-div 8590 df-inn 8879 df-2 8937 df-n0 9136 df-z 9213 df-q 9579 df-rp 9611 df-fl 10226 df-mod 10279 df-dvds 11750 |
This theorem is referenced by: qnnen 12386 |
Copyright terms: Public domain | W3C validator |