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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | unrab 3408 |
. . 3
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2 | nnssz 9272 |
. . . . . 6
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3 | dfss1 3341 |
. . . . . 6
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4 | 2, 3 | mpbi 145 |
. . . . 5
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5 | dfin5 3138 |
. . . . 5
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6 | 4, 5 | eqtr3i 2200 |
. . . 4
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7 | 6 | uneq1i 3287 |
. . 3
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8 | rabid2 2654 |
. . . 4
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9 | elznn 9271 |
. . . . 5
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10 | 9 | simprbi 275 |
. . . 4
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11 | 8, 10 | mprgbir 2535 |
. . 3
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12 | 1, 7, 11 | 3eqtr4ri 2209 |
. 2
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13 | nnex 8927 |
. . . 4
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14 | 13 | enref 6767 |
. . 3
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15 | zex 9264 |
. . . . . 6
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16 | 15 | rabex 4149 |
. . . . 5
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17 | nn0ex 9184 |
. . . . 5
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18 | negeq 8152 |
. . . . . . . 8
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19 | 18 | eleq1d 2246 |
. . . . . . 7
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20 | 19 | elrab 2895 |
. . . . . 6
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21 | 20 | simprbi 275 |
. . . . 5
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22 | negeq 8152 |
. . . . . . 7
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23 | 22 | eleq1d 2246 |
. . . . . 6
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24 | nn0negz 9289 |
. . . . . 6
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25 | nn0cn 9188 |
. . . . . . . . 9
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26 | 25 | negnegd 8261 |
. . . . . . . 8
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27 | 26 | eleq1d 2246 |
. . . . . . 7
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28 | 27 | ibir 177 |
. . . . . 6
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29 | 23, 24, 28 | elrabd 2897 |
. . . . 5
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30 | elrabi 2892 |
. . . . . . . 8
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31 | 30 | adantr 276 |
. . . . . . 7
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32 | 31 | zcnd 9378 |
. . . . . 6
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33 | 25 | adantl 277 |
. . . . . 6
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34 | negcon2 8212 |
. . . . . 6
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35 | 32, 33, 34 | syl2anc 411 |
. . . . 5
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36 | 16, 17, 21, 29, 35 | en3i 6773 |
. . . 4
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37 | nn0ennn 10435 |
. . . 4
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38 | 36, 37 | entri 6788 |
. . 3
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39 | inrab2 3410 |
. . . 4
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40 | incom 3329 |
. . . 4
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41 | rabeq0 3454 |
. . . . 5
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42 | 0red 7960 |
. . . . . . . 8
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43 | simpl 109 |
. . . . . . . . 9
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44 | 43 | nnred 8934 |
. . . . . . . 8
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45 | nngt0 8946 |
. . . . . . . . 9
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46 | 45 | adantr 276 |
. . . . . . . 8
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47 | nn0ge0 9203 |
. . . . . . . . . 10
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48 | 47 | adantl 277 |
. . . . . . . . 9
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49 | 44 | le0neg1d 8476 |
. . . . . . . . 9
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50 | 48, 49 | mpbird 167 |
. . . . . . . 8
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51 | 42, 44, 42, 46, 50 | ltletrd 8382 |
. . . . . . 7
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52 | 42 | ltnrd 8071 |
. . . . . . 7
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53 | 51, 52 | pm2.65da 661 |
. . . . . 6
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54 | 53, 4 | eleq2s 2272 |
. . . . 5
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55 | 41, 54 | mprgbir 2535 |
. . . 4
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56 | 39, 40, 55 | 3eqtr3i 2206 |
. . 3
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57 | unennn 12400 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
58 | 14, 38, 56, 57 | mp3an 1337 |
. 2
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59 | 12, 58 | eqbrtri 4026 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 614 ax-in2 615 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-13 2150 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-setind 4538 ax-cnex 7904 ax-resscn 7905 ax-1cn 7906 ax-1re 7907 ax-icn 7908 ax-addcl 7909 ax-addrcl 7910 ax-mulcl 7911 ax-mulrcl 7912 ax-addcom 7913 ax-mulcom 7914 ax-addass 7915 ax-mulass 7916 ax-distr 7917 ax-i2m1 7918 ax-0lt1 7919 ax-1rid 7920 ax-0id 7921 ax-rnegex 7922 ax-precex 7923 ax-cnre 7924 ax-pre-ltirr 7925 ax-pre-ltwlin 7926 ax-pre-lttrn 7927 ax-pre-apti 7928 ax-pre-ltadd 7929 ax-pre-mulgt0 7930 ax-pre-mulext 7931 ax-arch 7932 |
This theorem depends on definitions: df-bi 117 df-dc 835 df-3or 979 df-3an 980 df-tru 1356 df-fal 1359 df-xor 1376 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ne 2348 df-nel 2443 df-ral 2460 df-rex 2461 df-reu 2462 df-rmo 2463 df-rab 2464 df-v 2741 df-sbc 2965 df-csb 3060 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-nul 3425 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-int 3847 df-iun 3890 df-br 4006 df-opab 4067 df-mpt 4068 df-id 4295 df-po 4298 df-iso 4299 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-fo 5224 df-f1o 5225 df-fv 5226 df-riota 5833 df-ov 5880 df-oprab 5881 df-mpo 5882 df-1st 6143 df-2nd 6144 df-er 6537 df-en 6743 df-pnf 7996 df-mnf 7997 df-xr 7998 df-ltxr 7999 df-le 8000 df-sub 8132 df-neg 8133 df-reap 8534 df-ap 8541 df-div 8632 df-inn 8922 df-2 8980 df-n0 9179 df-z 9256 df-q 9622 df-rp 9656 df-fl 10272 df-mod 10325 df-dvds 11797 |
This theorem is referenced by: qnnen 12434 |
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