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| Mirrors > Home > MPE Home > Th. List > 1lt10 | Structured version Visualization version GIF 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.) (Proof shortened by Umit Teoman Dogan, 10-Jun-2026.) |
| Ref | Expression |
|---|---|
| 1lt10 | ⊢ 1 < ;10 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1nn0 12627 | . 2 ⊢ 1 ∈ ℕ0 | |
| 2 | 1re 11313 | . . 3 ⊢ 1 ∈ ℝ | |
| 3 | 9re 12447 | . . 3 ⊢ 9 ∈ ℝ | |
| 4 | 1lt9 12556 | . . 3 ⊢ 1 < 9 | |
| 5 | 2, 3, 4 | ltleii 11438 | . 2 ⊢ 1 ≤ 9 |
| 6 | 1, 5 | le9lt10 12851 | 1 ⊢ 1 < ;10 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5102 0cc0 11205 1c1 11206 < clt 11348 9c9 12409 ;cdc 12819 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7753 ax-resscn 11262 ax-1cn 11263 ax-icn 11264 ax-addcl 11265 ax-addrcl 11266 ax-mulcl 11267 ax-mulrcl 11268 ax-mulcom 11269 ax-addass 11270 ax-mulass 11271 ax-distr 11272 ax-i2m1 11273 ax-1ne0 11274 ax-1rid 11275 ax-rnegex 11276 ax-rrecex 11277 ax-cnre 11278 ax-pre-lttri 11279 ax-pre-lttrn 11280 ax-pre-ltadd 11281 ax-pre-mulgt0 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6306 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6496 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7379 df-ov 7425 df-oprab 7426 df-mpo 7427 df-om 7880 df-2nd 8004 df-frecs 8304 df-wrecs 8335 df-recs 8384 df-rdg 8423 df-er 8722 df-en 8979 df-dom 8980 df-sdom 8981 df-pnf 11350 df-mnf 11351 df-xr 11352 df-ltxr 11353 df-le 11354 df-sub 11548 df-neg 11549 df-nn 12341 df-2 12410 df-3 12411 df-4 12412 df-5 12413 df-6 12414 df-7 12415 df-8 12416 df-9 12417 df-n0 12612 df-z 12699 df-dec 12820 |
| This theorem is used by: 0.999... 16057 3dvds 16508 11prm 17300 13prm 17301 17prm 17302 19prm 17303 23prm 17304 37prm 17306 43prm 17307 83prm 17308 139prm 17309 163prm 17310 317prm 17311 631prm 17312 2503prm 17325 basendxltplendx 17547 basendxnocndx 17561 basendxltdsndx 17566 basendxltunifndx 17576 slotsbhcdif 17593 catstr 18142 log2ub 27284 slotsinbpsd 28910 slotslnbpsd 28911 trkgstr 28913 eengstr 29565 basendxltedgfndx 29579 hgt750lemd 35325 hgt750lem 35328 hgt750lem2 35329 hgt750leme 35335 tgoldbachgnn 35336 3lexlogpow5ineq1 43211 257prm 48753 fmtno4prmfac193 48765 fmtno5nprm 48775 139prmALT 48788 127prm 48791 tgblthelfgott 49020 tgoldbach 49022 |
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