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| Description: Positive real 'less than' is a strict ordering. Part of Proposition 9-3.3 of [Gleason] p. 122. |
| Ref | Expression |
|---|---|
| ltsopr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pssirr 2708 |
. . . 4
| |
| 2 | ltprord 6286 |
. . . 4
| |
| 3 | 1, 2 | mtbiri 785 |
. . 3
|
| 4 | 3 | anidms 480 |
. 2
|
| 5 | psstr 2714 |
. . 3
| |
| 6 | ltprord 6286 |
. . . . . 6
| |
| 7 | 6 | 3adant3 896 |
. . . . 5
|
| 8 | ltprord 6286 |
. . . . . 6
| |
| 9 | 8 | 3adant1 894 |
. . . . 5
|
| 10 | 7, 9 | anbi12d 690 |
. . . 4
|
| 11 | ltprord 6286 |
. . . . 5
| |
| 12 | 11 | 3adant2 895 |
. . . 4
|
| 13 | 10, 12 | imbi12d 688 |
. . 3
|
| 14 | 5, 13 | mpbiri 211 |
. 2
|
| 15 | psslinpr 6287 |
. . 3
| |
| 16 | biidd 188 |
. . . 4
| |
| 17 | ltprord 6286 |
. . . . 5
| |
| 18 | 17 | ancoms 484 |
. . . 4
|
| 19 | 6, 16, 18 | 3orbi123d 1167 |
. . 3
|
| 20 | 15, 19 | mpbird 213 |
. 2
|
| 21 | 4, 14, 20 | itlso 3619 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ltapr 6303 addcanpr 6304 suplem2pr 6314 ltsosr 6355 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-13 1311 ax-14 1312 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 ax-rep 3428 ax-sep 3438 ax-nul 3445 ax-pow 3481 ax-pr 3524 ax-un 3790 ax-inf2 5731 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-3or 859 df-3an 860 df-ex 1327 df-sb 1536 df-eu 1775 df-mo 1776 df-clab 1872 df-cleq 1877 df-clel 1880 df-ne 2019 df-ral 2109 df-rex 2110 df-reu 2111 df-rab 2112 df-v 2294 df-sbc 2454 df-csb 2541 df-dif 2597 df-un 2600 df-in 2603 df-ss 2605 df-pss 2607 df-nul 2876 df-if 2983 df-pw 3035 df-sn 3049 df-pr 3050 df-tp 3052 df-op 3053 df-uni 3178 df-int 3215 df-iun 3257 df-br 3339 df-opab 3396 df-tr 3412 df-eprel 3583 df-id 3586 df-po 3591 df-so 3604 df-fr 3625 df-we 3644 df-ord 3660 df-on 3661 df-lim 3662 df-suc 3663 df-om 3950 df-xp 4000 df-rel 4001 df-cnv 4002 df-co 4003 df-dm 4004 df-rn 4005 df-res 4006 df-ima 4007 df-fun 4008 df-fn 4009 df-f 4010 df-fv 4014 df-opr 4886 df-oprab 4887 df-1st 5020 df-2nd 5021 df-rdg 5140 df-1o 5177 df-oadd 5179 df-omul 5180 df-er 5318 df-ec 5320 df-qs 5323 df-ni 6152 df-mi 6154 df-lti 6155 df-enq 6189 df-nq 6190 df-ltq 6194 df-np 6238 df-ltp 6242 |