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| Mirrors > Home > ILE Home > Th. List > 2lt3 | GIF version | ||
| Description: 2 is less than 3. (Contributed by NM, 26-Sep-2010.) |
| Ref | Expression |
|---|---|
| 2lt3 | ⊢ 2 < 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2re 9255 | . . 3 ⊢ 2 ∈ ℝ | |
| 2 | 1 | ltp1i 9127 | . 2 ⊢ 2 < (2 + 1) |
| 3 | df-3 9245 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 2, 3 | breqtrri 4120 | 1 ⊢ 2 < 3 |
| Colors of variables: wff set class |
| Syntax hints: class class class wbr 4093 (class class class)co 6028 1c1 8076 + caddc 8078 < clt 8256 2c2 9236 3c3 9237 |
| 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 2204 ax-14 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 ax-un 4536 ax-setind 4641 ax-cnex 8166 ax-resscn 8167 ax-1cn 8168 ax-1re 8169 ax-icn 8170 ax-addcl 8171 ax-addrcl 8172 ax-mulcl 8173 ax-addcom 8175 ax-addass 8177 ax-i2m1 8180 ax-0lt1 8181 ax-0id 8183 ax-rnegex 8184 ax-pre-ltadd 8191 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ne 2404 df-nel 2499 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-dif 3203 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-xp 4737 df-iota 5293 df-fv 5341 df-ov 6031 df-pnf 8258 df-mnf 8259 df-ltxr 8261 df-2 9244 df-3 9245 |
| This theorem is referenced by: 1lt3 9357 2lt4 9359 2lt6 9368 2lt7 9374 2lt8 9381 2lt9 9389 3halfnz 9621 2lt10 9792 uzuzle23 9840 uz3m2nn 9851 fztpval 10363 expnass 10953 hashtpglem 11156 cos01gt0 12387 3lcm2e6 12795 plusgndxnmulrndx 13279 rngstrg 13281 slotsdifunifndx 13378 cnfldstr 14637 coseq00topi 15629 coseq0negpitopi 15630 cos02pilt1 15645 2logb9irr 15765 2logb3irr 15767 2logb9irrap 15771 usgrexmpldifpr 16173 konigsbergiedgwen 16408 konigsberglem1 16412 konigsberglem2 16413 konigsberglem3 16414 ex-fl 16422 |
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