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| Mirrors > Home > MPE Home > Th. List > 1lt3 | Structured version Visualization version GIF version | ||
| Description: 1 is less than 3. (Contributed by NM, 26-Sep-2010.) |
| Ref | Expression |
|---|---|
| 1lt3 | ⊢ 1 < 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1lt2 12508 | . 2 ⊢ 1 < 2 | |
| 2 | 2lt3 12509 | . 2 ⊢ 2 < 3 | |
| 3 | 1re 11301 | . . 3 ⊢ 1 ∈ ℝ | |
| 4 | 2re 12410 | . . 3 ⊢ 2 ∈ ℝ | |
| 5 | 3re 12416 | . . 3 ⊢ 3 ∈ ℝ | |
| 6 | 3, 4, 5 | lttri 11429 | . 2 ⊢ ((1 < 2 ∧ 2 < 3) → 1 < 3) |
| 7 | 1, 2, 6 | mp2an 705 | 1 ⊢ 1 < 3 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: class class class wbr 5103 1c1 11194 < clt 11336 2c2 12390 3c3 12391 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-2 12398 df-3 12399 |
| This theorem is used by: 1le3 12550 fztpval 13713 fvf1tp 13922 expnass 14345 tpf1ofv1 14635 tpfo 14638 s4fv1 15040 f1oun2prg 15061 sin01gt0 16351 rpnnen2lem3 16377 rpnnen2lem9 16383 3prm 16862 6nprm 17280 7prm 17281 9nprm 17283 13prm 17287 19prm 17289 prmlem2 17291 37prm 17292 43prm 17293 139prm 17295 163prm 17296 631prm 17298 basendxnmulrndx 17460 log2cnv 27265 cxploglim2 27299 2lgslem3 27724 dchrvmasumlem2 27818 pntibndlem1 27909 tgcgr4 28987 axlowdimlem16 29528 usgrexmpldifpr 29832 upgr3v3e3cycl 30774 upgr4cycl4dv4e 30779 konigsberglem2 30847 konigsberglem3 30848 konigsberglem5 30850 frgrogt3nreg 30991 ex-dif 31017 ex-pss 31022 ex-res 31035 evl1deg3 34103 2sqr3minply 34405 cos9thpiminplylem3 34409 cos9thpiminply 34413 aks4d1p1p3 43099 aks4d1p1p2 43100 aks4d1p1p4 43101 aks4d1p3 43108 aks5lem8 43231 acos1half 43389 rabren3dioph 43801 jm2.23 43982 stoweidlem34 47013 stoweidlem42 47021 smfmullem4 47773 fmtno4prmfac193 48627 3ndvds4 48649 127prm 48653 nnsum4primesodd 48863 nnsum4primesoddALTV 48864 usgrexmpl1lem 49088 usgrexmpl2lem 49093 usgrexmpl2nb1 49099 usgrexmpl2nb3 49101 usgrexmpl2trifr 49104 gpg5grlim 49160 gpg5grlic 49161 sepfsepc 50005 1ne3 50910 |
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