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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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-n0 9296 |
. . 3
| |
| 2 | 1 | eleq2i 2272 |
. 2
|
| 3 | elun 3314 |
. 2
| |
| 4 | c0ex 8066 |
. . . 4
| |
| 5 | 4 | elsn2 3667 |
. . 3
|
| 6 | 5 | orbi2i 764 |
. 2
|
| 7 | 2, 3, 6 | 3bitri 206 |
1
|
| 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-io 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-ext 2187 ax-1cn 8018 ax-icn 8020 ax-addcl 8021 ax-mulcl 8023 ax-i2m1 8030 |
| This theorem depends on definitions: df-bi 117 df-tru 1376 df-nf 1484 df-sb 1786 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-v 2774 df-un 3170 df-sn 3639 df-n0 9296 |
| This theorem is referenced by: 0nn0 9310 nn0ge0 9320 nnnn0addcl 9325 nnm1nn0 9336 elnnnn0b 9339 elnn0z 9385 elznn0nn 9386 elznn0 9387 elznn 9388 nn0ind-raph 9490 nn0ledivnn 9889 expp1 10691 expnegap0 10692 expcllem 10695 nn0ltexp2 10854 facp1 10875 faclbnd 10886 faclbnd3 10888 bcn1 10903 bcval5 10908 hashnncl 10940 fz1f1o 11686 arisum 11809 arisum2 11810 fprodfac 11926 ef0lem 11971 nn0enne 12213 nn0o1gt2 12216 dfgcd2 12335 mulgcd 12337 eucalgf 12377 eucalginv 12378 prmdvdsexpr 12472 rpexp1i 12476 nn0gcdsq 12522 odzdvds 12568 pceq0 12645 fldivp1 12671 pockthg 12680 1arith 12690 4sqlem17 12730 4sqlem19 12732 mulgnn0gsum 13464 mulgnn0p1 13469 mulgnn0subcl 13471 mulgneg 13476 mulgnn0z 13485 mulgnn0dir 13488 mulgnn0ass 13494 submmulg 13502 znf1o 14413 dvexp2 15184 dvply1 15237 lgsdir 15512 lgsabs1 15516 lgseisenlem1 15547 2sqlem7 15598 |
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