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| Mirrors > Home > ILE Home > Th. List > 1lt3 | Unicode version | ||
| Description: 1 is less than 3. (Contributed by NM, 26-Sep-2010.) |
| Ref | Expression |
|---|---|
| 1lt3 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1lt2 9403 |
. 2
| |
| 2 | 2lt3 9404 |
. 2
| |
| 3 | 1re 8269 |
. . 3
| |
| 4 | 2re 9303 |
. . 3
| |
| 5 | 3re 9307 |
. . 3
| |
| 6 | 3, 4, 5 | lttri 8374 |
. 2
|
| 7 | 1, 2, 6 | mp2an 426 |
1
|
| Colors of variables: wff set class |
| Syntax hints: class class
class wbr 4108 |
| 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 4227 ax-pow 4286 ax-pr 4321 ax-un 4553 ax-setind 4658 ax-cnex 8214 ax-resscn 8215 ax-1cn 8216 ax-1re 8217 ax-icn 8218 ax-addcl 8219 ax-addrcl 8220 ax-mulcl 8221 ax-addcom 8223 ax-addass 8225 ax-i2m1 8228 ax-0lt1 8229 ax-0id 8231 ax-rnegex 8232 ax-pre-lttrn 8237 ax-pre-ltadd 8239 |
| 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 2814 df-dif 3212 df-un 3214 df-in 3216 df-ss 3223 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-br 4109 df-opab 4171 df-xp 4754 df-iota 5311 df-fv 5359 df-ov 6052 df-pnf 8306 df-mnf 8307 df-ltxr 8309 df-2 9292 df-3 9293 |
| This theorem is referenced by: 1le3 9445 fztpval 10413 expnass 11003 hashtpglem 11211 sin01gt0 12441 3prm 12818 basendxnmulrndx 13336 2lgslem3 15961 usgrexmpldifpr 16231 konigsberglem2 16471 konigsberglem3 16472 konigsberglem5 16474 |
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