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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 9518 |
. . 3
| |
| 2 | 1 | eleq2i 2301 |
. 2
|
| 3 | elun 3364 |
. 2
| |
| 4 | c0ex 8285 |
. . . 4
| |
| 5 | 4 | elsn2 3729 |
. . 3
|
| 6 | 5 | orbi2i 770 |
. 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 ax-1cn 8237 ax-icn 8239 ax-addcl 8240 ax-mulcl 8242 ax-i2m1 8249 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-v 2817 df-un 3218 df-sn 3701 df-n0 9518 |
| This theorem is referenced by: 0nn0 9532 nn0ge0 9542 nnnn0addcl 9547 nnm1nn0 9558 elnnnn0b 9561 elnn0z 9611 elznn0nn 9612 elznn0 9613 elznn 9614 nn0ind-raph 9717 nn0ledivnn 10122 expp1 10936 expnegap0 10937 expcllem 10940 nn0ltexp2 11100 facp1 11121 faclbnd 11132 faclbnd3 11134 bcn1 11149 bcval5 11154 hashnncl 11187 fz1f1o 12090 arisum 12214 arisum2 12215 fprodfac 12331 ef0lem 12376 nn0enne 12618 nn0o1gt2 12621 dfgcd2 12740 mulgcd 12742 eucalgf 12782 eucalginv 12783 prmdvdsexpr 12877 rpexp1i 12881 nn0gcdsq 12927 odzdvds 12973 pceq0 13050 fldivp1 13076 pockthg 13085 1arith 13095 4sqlem17 13135 4sqlem19 13137 mulgnn0gsum 13886 mulgnn0p1 13891 mulgnn0subcl 13893 mulgneg 13898 mulgnn0z 13907 mulgnn0dir 13910 mulgnn0ass 13916 submmulg 13924 gfsumval 14107 znf1o 14930 dvexp2 15708 dvply1 15761 lgsdir 16039 lgsabs1 16043 lgseisenlem1 16074 2sqlem7 16125 clwwlknnn 16538 |
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