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| Description: 'Less than or equal to' expressed in terms of 'less than' or 'equals'. |
| Ref | Expression |
|---|---|
| leloet |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | lenltt 5482 |
. 2
| |
| 2 | axlttri 5475 |
. . . . 5
| |
| 3 | 2 | ancoms 436 |
. . . 4
|
| 4 | 3 | con2bid 524 |
. . 3
|
| 5 | eqcom 1469 |
. . . . 5
| |
| 6 | 5 | orbi1i 256 |
. . . 4
|
| 7 | orcom 246 |
. . . 4
| |
| 8 | 6, 7 | bitr 173 |
. . 3
|
| 9 | 4, 8 | syl5rbbr 533 |
. 2
|
| 10 | 1, 9 | bitrd 526 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ltlet 5493 leltnet 5494 ltlent 5495 lelttrt 5496 ltletrt 5497 letrt 5498 leidt 5504 leloe 5548 lemul1t 5788 lemul1it 5793 lemul1itOLD 5794 lerec 5828 squeeze0 5872 nnleltp1t 5901 nnsub 5903 sup3 5999 elnn0z 6094 nn0subt 6108 elnn0nn 6118 monoord 6231 om2uzlt 6235 om2uzlt2 6236 snunioolem 6347 expge0t 6522 expge1t 6524 expwordit 6534 expword2it 6536 exple1t 6538 sqlecant 6572 sqrlem6 6608 sqrlem12 6614 sqrge0 6632 seq1bnd 6847 cau2 6850 facdivt 6879 facwordit 6881 bccl2t 6909 fsumcmpndx2 6980 expcnvlem6 7167 reeff1o 7368 metxptval 7770 bcthlem16 7948 bcthlem18 7950 bcthlem20 7952 hiidge0t 8885 lnopcon 9878 lnfncon 9905 hmopidmchlem 9989 stadd 10083 stadd3 10085 iintlem1 10476 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-rep 2683 ax-sep 2693 ax-nul 2700 ax-pow 2732 ax-pr 2769 ax-un 2857 ax-inf2 4597 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 774 df-3an 775 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-nel 1580 df-ral 1641 df-rex 1642 df-reu 1643 df-rab 1644 df-v 1803 df-sbc 1932 df-csb 1992 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-pss 2045 df-nul 2271 df-if 2352 df-pw 2392 df-sn 2402 df-pr 2403 df-tp 2405 df-op 2406 df-uni 2494 df-int 2524 df-iun 2558 df-br 2610 df-opab 2657 df-tr 2671 df-eprel 2821 df-id 2824 df-po 2831 df-so 2841 df-fr 2907 df-we 2924 df-ord 2941 df-on 2942 df-lim 2943 df-suc 2944 df-om 3122 df-xp 3174 df-rel 3175 df-cnv 3176 df-co 3177 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fun 3182 df-fn 3183 df-f 3184 df-f1 3185 df-fo 3186 df-f1o 3187 df-fv 3188 df-rdg 3917 df-opr 3950 df-oprab 3951 df-1st 4063 df-2nd 4064 df-1o 4117 df-oadd 4119 df-omul 4120 df-er 4245 df-ec 4247 df-qs 4250 df-en 4351 df-dom 4352 df-sdom 4353 df-ni 4972 df-pli 4973 df-mi 4974 df-lti 4975 df-plpq 5007 df-mpq 5008 df-enq 5009 df-nq 5010 df-plq 5011 df-mq 5012 df-rq 5013 df-ltq 5014 df-1q 5015 df-np 5058 df-1p 5059 df-plp 5060 df-ltp 5062 df-enr 5138 df-nr 5139 df-ltr 5142 df-0r 5143 df-c 5212 df-r 5216 df-lt 5219 df-pnf 5459 df-mnf 5460 df-xr 5461 df-ltxr 5462 df-le 5463 |