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| Description: 'Less than or equal to' expressed in terms of 'less than'. |
| Ref | Expression |
|---|---|
| lenltt |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrlenltt 5501 |
. 2
| |
| 2 | rexrt 5499 |
. 2
| |
| 3 | rexrt 5499 |
. 2
| |
| 4 | 1, 2, 3 | syl2an 454 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ltnlet 5511 letri3t 5517 leloet 5518 eqleltt 5519 pm2.61ltle 5534 lenlt 5578 ne0gt0t 5619 lelttrit 5622 ltaddsubt 5631 lediv1t 5851 lediv1tOLD 5852 lemuldivt 5874 lemuldivtOLD 5875 nnge1t 5943 nnleltp1t 5954 lbinfm 6048 suprub 6056 suprleub 6059 dfinfmr 6067 supxrre 6083 nn0ge0t 6117 elnnz1 6155 zltp1let 6181 recnzt 6191 btwnnzt 6192 primet 6195 zbtwnre 6221 flltt 6234 flval3t 6239 om2uzlt2 6299 ioojoint 6416 indstr 6461 fznt 6493 sqr0 6672 climrecl 7110 climge0 7112 climubi 7153 caucvglem6 7162 ivthlem6 7286 ivthlem7 7287 infpnlem1 7506 metxpfval 7831 metxp 7834 bl2in 7843 lmle 7960 bcthlem18 8016 nmounbi 8439 nmlno0lem 8453 projlem13 9198 nmlnop0ALT 9920 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-sep 2703 ax-pow 2742 ax-pr 2779 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-br 2620 df-opab 2667 df-xp 3184 df-cnv 3186 df-xr 5489 df-le 5491 |