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| Mirrors > Home > ILE Home > Th. List > 1lt2 | Unicode version | ||
| Description: 1 is less than 2. (Contributed by NM, 24-Feb-2005.) |
| Ref | Expression |
|---|---|
| 1lt2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1re 8168 |
. . 3
| |
| 2 | 1 | ltp1i 9075 |
. 2
|
| 3 | df-2 9192 |
. 2
| |
| 4 | 2, 3 | breqtrri 4113 |
1
|
| Colors of variables: wff set class |
| Syntax hints: class class
class wbr 4086 (class class class)co 6013
|
| 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-in1 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1cn 8115 ax-1re 8116 ax-icn 8117 ax-addcl 8118 ax-addrcl 8119 ax-mulcl 8120 ax-addcom 8122 ax-addass 8124 ax-i2m1 8127 ax-0lt1 8128 ax-0id 8130 ax-rnegex 8131 ax-pre-ltadd 8138 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-xp 4729 df-iota 5284 df-fv 5332 df-ov 6016 df-pnf 8206 df-mnf 8207 df-ltxr 8209 df-2 9192 |
| This theorem is referenced by: 1lt3 9305 1lt4 9308 1lt6 9317 1lt7 9323 1lt8 9330 1lt9 9338 1ne2 9340 1ap2 9341 1le2 9342 halflt1 9351 nn0ge2m1nn 9452 nn0n0n1ge2b 9549 halfnz 9566 1lt10 9739 fztpval 10308 ige2m2fzo 10433 wrdlenge2n0 11139 s3fv1g 11363 sqrt2gt1lt2 11600 ege2le3 12222 cos12dec 12319 ene1 12336 eap1 12337 n2dvds1 12463 bits0o 12501 bitsfzolem 12505 bitsfzo 12506 bitsfi 12508 2prm 12689 3prm 12690 4nprm 12691 isprm5 12704 dec2dvds 12974 dec5nprm 12977 dec2nprm 12978 2expltfac 13002 basendxltplusgndx 13186 grpstrg 13199 grpbaseg 13200 grpplusgg 13201 rngstrg 13208 lmodstrd 13237 topgrpstrd 13269 reeff1o 15487 cosz12 15494 2logb9irrALT 15688 sqrt2cxp2logb9e3 15689 mersenne 15711 perfectlem1 15713 perfectlem2 15714 lgseisenlem1 15789 clwwlkext2edg 16217 |
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