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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 9203 | . . 3 ⊢ 2 ∈ ℝ | |
| 2 | 1 | ltp1i 9075 | . 2 ⊢ 2 < (2 + 1) |
| 3 | df-3 9193 | . 2 ⊢ 3 = (2 + 1) | |
| 4 | 2, 3 | breqtrri 4113 | 1 ⊢ 2 < 3 |
| Colors of variables: wff set class |
| Syntax hints: class class class wbr 4086 (class class class)co 6013 1c1 8023 + caddc 8025 < clt 8204 2c2 9184 3c3 9185 |
| 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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 ax-setind 4633 ax-cnex 8113 ax-resscn 8114 ax-1cn 8115 ax-1re 8116 ax-icn 8117 ax-addcl 8118 ax-addrcl 8119 ax-mulcl 8120 ax-addcom 8122 ax-addass 8124 ax-i2m1 8127 ax-0lt1 8128 ax-0id 8130 ax-rnegex 8131 ax-pre-ltadd 8138 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-nel 2496 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-xp 4729 df-iota 5284 df-fv 5332 df-ov 6016 df-pnf 8206 df-mnf 8207 df-ltxr 8209 df-2 9192 df-3 9193 |
| This theorem is referenced by: 1lt3 9305 2lt4 9307 2lt6 9316 2lt7 9322 2lt8 9329 2lt9 9337 3halfnz 9567 2lt10 9738 uzuzle23 9786 uz3m2nn 9797 fztpval 10308 expnass 10897 cos01gt0 12314 3lcm2e6 12722 plusgndxnmulrndx 13206 rngstrg 13208 slotsdifunifndx 13305 cnfldstr 14562 coseq00topi 15549 coseq0negpitopi 15550 cos02pilt1 15565 2logb9irr 15685 2logb3irr 15687 2logb9irrap 15691 usgrexmpldifpr 16088 ex-fl 16257 |
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