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Mirrors > Home > ILE Home > Th. List > nn2ge | Unicode version |
Description: There exists a positive integer greater than or equal to any two others. (Contributed by NM, 18-Aug-1999.) |
Ref | Expression |
---|---|
nn2ge |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnaddcl 8740 | . 2 | |
2 | 0red 7767 | . . . 4 | |
3 | nnre 8727 | . . . . 5 | |
4 | 3 | adantl 275 | . . . 4 |
5 | nngt0 8745 | . . . . 5 | |
6 | 5 | adantl 275 | . . . 4 |
7 | 2, 4, 6 | ltled 7881 | . . 3 |
8 | nnre 8727 | . . . . 5 | |
9 | 8 | adantr 274 | . . . 4 |
10 | 9, 4 | addge01d 8295 | . . 3 |
11 | 7, 10 | mpbid 146 | . 2 |
12 | nngt0 8745 | . . . . 5 | |
13 | 12 | adantr 274 | . . . 4 |
14 | 2, 9, 13 | ltled 7881 | . . 3 |
15 | 4, 9 | addge02d 8296 | . . 3 |
16 | 14, 15 | mpbid 146 | . 2 |
17 | breq2 3933 | . . . 4 | |
18 | breq2 3933 | . . . 4 | |
19 | 17, 18 | anbi12d 464 | . . 3 |
20 | 19 | rspcev 2789 | . 2 |
21 | 1, 11, 16, 20 | syl12anc 1214 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1331 wcel 1480 wrex 2417 class class class wbr 3929 (class class class)co 5774 cr 7619 cc0 7620 caddc 7623 clt 7800 cle 7801 cn 8720 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-cnex 7711 ax-resscn 7712 ax-1cn 7713 ax-1re 7714 ax-icn 7715 ax-addcl 7716 ax-addrcl 7717 ax-mulcl 7718 ax-addcom 7720 ax-addass 7722 ax-i2m1 7725 ax-0lt1 7726 ax-0id 7728 ax-rnegex 7729 ax-pre-ltirr 7732 ax-pre-ltwlin 7733 ax-pre-lttrn 7734 ax-pre-ltadd 7736 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-nel 2404 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-br 3930 df-opab 3990 df-xp 4545 df-cnv 4547 df-iota 5088 df-fv 5131 df-ov 5777 df-pnf 7802 df-mnf 7803 df-xr 7804 df-ltxr 7805 df-le 7806 df-inn 8721 |
This theorem is referenced by: (None) |
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