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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 8927 | . . 3 ⊢ 2 ∈ ℝ | |
2 | 1 | ltp1i 8800 | . 2 ⊢ 2 < (2 + 1) |
3 | df-3 8917 | . 2 ⊢ 3 = (2 + 1) | |
4 | 2, 3 | breqtrri 4009 | 1 ⊢ 2 < 3 |
Colors of variables: wff set class |
Syntax hints: class class class wbr 3982 (class class class)co 5842 1c1 7754 + caddc 7756 < clt 7933 2c2 8908 3c3 8909 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 ax-1cn 7846 ax-1re 7847 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-addcom 7853 ax-addass 7855 ax-i2m1 7858 ax-0lt1 7859 ax-0id 7861 ax-rnegex 7862 ax-pre-ltadd 7869 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-xp 4610 df-iota 5153 df-fv 5196 df-ov 5845 df-pnf 7935 df-mnf 7936 df-ltxr 7938 df-2 8916 df-3 8917 |
This theorem is referenced by: 1lt3 9028 2lt4 9030 2lt6 9039 2lt7 9045 2lt8 9052 2lt9 9060 3halfnz 9288 2lt10 9459 uzuzle23 9509 uz3m2nn 9511 fztpval 10018 expnass 10560 cos01gt0 11703 3lcm2e6 12092 plusgndxnmulrndx 12508 rngstrg 12510 coseq00topi 13396 coseq0negpitopi 13397 cos02pilt1 13412 2logb9irr 13529 2logb3irr 13531 2logb9irrap 13535 ex-fl 13606 |
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