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Mirrors > Home > ILE Home > Th. List > elnn0 | Unicode version |
Description: Nonnegative integers expressed in terms of naturals and zero. (Contributed by Raph Levien, 10-Dec-2002.) |
Ref | Expression |
---|---|
elnn0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-n0 9002 |
. . 3
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2 | 1 | eleq2i 2207 |
. 2
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3 | elun 3222 |
. 2
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4 | c0ex 7784 |
. . . 4
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5 | 4 | elsn2 3566 |
. . 3
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6 | 5 | orbi2i 752 |
. 2
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7 | 2, 3, 6 | 3bitri 205 |
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 105 ax-ia2 106 ax-ia3 107 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-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-1cn 7737 ax-icn 7739 ax-addcl 7740 ax-mulcl 7742 ax-i2m1 7749 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-v 2691 df-un 3080 df-sn 3538 df-n0 9002 |
This theorem is referenced by: 0nn0 9016 nn0ge0 9026 nnnn0addcl 9031 nnm1nn0 9042 elnnnn0b 9045 elnn0z 9091 elznn0nn 9092 elznn0 9093 elznn 9094 nn0ind-raph 9192 nn0ledivnn 9584 expp1 10331 expnegap0 10332 expcllem 10335 facp1 10508 faclbnd 10519 faclbnd3 10521 bcn1 10536 bcval5 10541 hashnncl 10574 fz1f1o 11176 arisum 11299 arisum2 11300 ef0lem 11403 nn0enne 11635 nn0o1gt2 11638 dfgcd2 11738 mulgcd 11740 eucalgf 11772 eucalginv 11773 prmdvdsexpr 11864 rpexp1i 11868 nn0gcdsq 11914 dvexp2 12884 |
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