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| Mirrors > Home > ILE Home > Th. List > 8lt10 | Unicode version | ||
| Description: 8 is less than 10. (Contributed by Mario Carneiro, 8-Feb-2015.) (Revised by AV, 8-Sep-2021.) |
| Ref | Expression |
|---|---|
| 8lt10 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8lt9 9513 |
. 2
| |
| 2 | 9lt10 9923 |
. 2
| |
| 3 | 8re 9398 |
. . 3
| |
| 4 | 9re 9400 |
. . 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: 7lt10 9925 83prm 13266 317prm 13269 1259lem5 13275 slotsdnscsi 13636 |
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