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Mirrors > Home > ILE Home > Th. List > elnnnn0c | Unicode version |
Description: The positive integer property expressed in terms of nonnegative integers. (Contributed by NM, 10-Jan-2006.) |
Ref | Expression |
---|---|
elnnnn0c |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnnn0 9142 | . . 3 | |
2 | nnge1 8901 | . . 3 | |
3 | 1, 2 | jca 304 | . 2 |
4 | 0lt1 8046 | . . . . 5 | |
5 | nn0re 9144 | . . . . . 6 | |
6 | 0re 7920 | . . . . . . 7 | |
7 | 1re 7919 | . . . . . . 7 | |
8 | ltletr 8009 | . . . . . . 7 | |
9 | 6, 7, 8 | mp3an12 1322 | . . . . . 6 |
10 | 5, 9 | syl 14 | . . . . 5 |
11 | 4, 10 | mpani 428 | . . . 4 |
12 | 11 | imdistani 443 | . . 3 |
13 | elnnnn0b 9179 | . . 3 | |
14 | 12, 13 | sylibr 133 | . 2 |
15 | 3, 14 | impbii 125 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wcel 2141 class class class wbr 3989 cr 7773 cc0 7774 c1 7775 clt 7954 cle 7955 cn 8878 cn0 9135 |
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-i2m1 7879 ax-0lt1 7880 ax-0id 7882 ax-rnegex 7883 ax-pre-ltirr 7886 ax-pre-ltwlin 7887 ax-pre-lttrn 7888 ax-pre-ltadd 7890 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-fal 1354 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-rab 2457 df-v 2732 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-int 3832 df-br 3990 df-opab 4051 df-xp 4617 df-cnv 4619 df-iota 5160 df-fv 5206 df-ov 5856 df-pnf 7956 df-mnf 7957 df-xr 7958 df-ltxr 7959 df-le 7960 df-inn 8879 df-n0 9136 |
This theorem is referenced by: nn0ge2m1nn 9195 nn0o1gt2 11864 pcelnn 12274 lgsabs1 13734 |
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