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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 9383 | . . 3 ⊢ 2 ∈ ℝ | |
| 2 | 1 | ltp1i 9243 | . 2 ⊢ 2 < (2 + 1) |
| 3 | df-3 9373 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 2, 3 | breqtrri 4158 | 1 ⊢ 2 < 3 |
| Colors of variables: wff set class |
| This proof depends on syntax axioms: class class class wbr 4131 (class class class)co 6088 1c1 8186 + caddc 8188 < clt 8366 2c2 9364 3c3 9365 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 ax-setind 4686 ax-cnex 8276 ax-resscn 8277 ax-1cn 8278 ax-1re 8279 ax-icn 8280 ax-addcl 8281 ax-addrcl 8282 ax-mulcl 8283 ax-addcom 8285 ax-addass 8287 ax-i2m1 8290 ax-0lt1 8291 ax-0id 8293 ax-rnegex 8294 ax-pre-ltadd 8301 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-nel 2516 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4132 df-opab 4194 df-xp 4782 df-iota 5340 df-fv 5388 df-ov 6091 df-pnf 8368 df-mnf 8369 df-ltxr 8371 df-2 9372 df-3 9373 |
| This theorem is used by: 1lt3 9487 2lt4 9489 2lt6 9498 2lt7 9504 2lt8 9511 2lt9 9519 3halfnz 9753 2lt10 9929 uzuzle23 9977 uz3m2nn 9988 fztpval 10506 expnass 11102 hashtpglem 11319 cos01gt0 12554 3lcm2e6 12963 5prm 13251 11prm 13257 17prm 13259 23prm 13261 83prm 13265 317prm 13268 plusgndxnmulrndx 13545 rngstrg 13547 slotsdifunifndx 13644 cnfldstr 15003 coseq00topi 16079 coseq0negpitopi 16080 cos02pilt1 16096 2logb9irr 16224 2logb3irr 16226 2logb9irrap 16230 chtqub 16313 bpos1 16327 bposlem6 16333 usgrexmpldifpr 16712 konigsbergiedgwen 16947 konigsberglem1 16951 konigsberglem2 16952 konigsberglem3 16953 ex-fl 16961 |
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