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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 8273 |
. . 3
| |
| 2 | 1 | ltp1i 9179 |
. 2
|
| 3 | df-2 9296 |
. 2
| |
| 4 | 2, 3 | breqtrri 4136 |
1
|
| Colors of variables: wff set class |
| Syntax hints: class class
class wbr 4109 (class class class)co 6050
|
| 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 619 ax-in2 620 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-13 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 ax-setind 4659 ax-cnex 8218 ax-resscn 8219 ax-1cn 8220 ax-1re 8221 ax-icn 8222 ax-addcl 8223 ax-addrcl 8224 ax-mulcl 8225 ax-addcom 8227 ax-addass 8229 ax-i2m1 8232 ax-0lt1 8233 ax-0id 8235 ax-rnegex 8236 ax-pre-ltadd 8243 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ne 2413 df-nel 2508 df-ral 2525 df-rex 2526 df-rab 2529 df-v 2815 df-dif 3213 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-xp 4755 df-iota 5312 df-fv 5360 df-ov 6053 df-pnf 8310 df-mnf 8311 df-ltxr 8313 df-2 9296 |
| This theorem is referenced by: 1lt3 9409 1lt4 9412 1lt6 9421 1lt7 9427 1lt8 9434 1lt9 9442 1ne2 9444 1ap2 9445 1le2 9446 halflt1 9455 nn0ge2m1nn 9560 nn0n0n1ge2b 9657 halfnz 9674 1lt10 9847 fztpval 10417 ige2m2fzo 10543 wrdlenge2n0 11260 s3fv1g 11484 sqrt2gt1lt2 11734 ege2le3 12357 cos12dec 12454 ene1 12471 eap1 12472 n2dvds1 12598 bits0o 12636 bitsfzolem 12640 bitsfzo 12641 bitsfi 12643 2prm 12824 3prm 12825 4nprm 12826 isprm5 12839 dec2dvds 13109 dec5nprm 13112 dec2nprm 13113 2expltfac 13137 ballotfilem2 13142 basendxltplusgndx 13326 grpstrg 13339 grpbaseg 13340 grpplusgg 13341 rngstrg 13348 lmodstrd 13377 topgrpstrd 13409 reeff1o 15638 cosz12 15645 2logb9irrALT 15839 sqrt2cxp2logb9e3 15840 mersenne 15865 perfectlem1 15867 perfectlem2 15868 lgseisenlem1 15943 clwwlkext2edg 16417 eupth2lem3lem4fi 16468 |
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