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| Mirrors > Home > ILE Home > Th. List > 1lt10 | Unicode version | ||
| Description: 1 is less than 10. (Contributed by NM, 7-Nov-2012.) (Revised by Mario Carneiro, 9-Mar-2015.) (Revised by AV, 8-Sep-2021.) |
| Ref | Expression |
|---|---|
| 1lt10 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1lt2 9485 |
. 2
| |
| 2 | 2lt10 9930 |
. 2
| |
| 3 | 1re 8331 |
. . 3
| |
| 4 | 2re 9383 |
. . 3
| |
| 5 | 10re 9810 |
. . 3
| |
| 6 | 3, 4, 5 | lttri 8437 |
. 2
|
| 7 | 1, 2, 6 | mp2an 430 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
class class class wbr 4131 |
| 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-mulcom 8286 ax-addass 8287 ax-mulass 8288 ax-distr 8289 ax-i2m1 8290 ax-0lt1 8291 ax-1rid 8292 ax-0id 8293 ax-rnegex 8294 ax-cnre 8296 ax-pre-lttrn 8299 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-int 3971 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-inn 9314 df-2 9372 df-3 9373 df-4 9374 df-5 9375 df-6 9376 df-7 9377 df-8 9378 df-9 9379 df-dec 9789 |
| This theorem is used by: 0.999... 12313 3dvds 12656 11prm 13258 13prm 13259 17prm 13260 19prm 13261 23prm 13262 37prm 13264 43prm 13265 83prm 13266 139prm 13267 163prm 13268 317prm 13269 631prm 13270 basendxltplendx 13617 basendxnocndx 13626 basendxltdsndx 13632 basendxltunifndx 13642 log2ublog2 16224 basendxltedgfndx 16456 |
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