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| Description: Proper subset is a linear ordering on positive reals. Part of Proposition 9-3.3 of [Gleason] p. 122. |
| Ref | Expression |
|---|---|
| psslinpr |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | prub 5098 |
. . . . . . . . . . . . 13
| |
| 2 | elprpq 5095 |
. . . . . . . . . . . . 13
| |
| 3 | 1, 2 | sylan2 451 |
. . . . . . . . . . . 12
|
| 4 | prcdpq 5097 |
. . . . . . . . . . . . 13
| |
| 5 | 4 | adantl 388 |
. . . . . . . . . . . 12
|
| 6 | 3, 5 | syld 27 |
. . . . . . . . . . 11
|
| 7 | 6 | exp43 384 |
. . . . . . . . . 10
|
| 8 | 7 | com3r 35 |
. . . . . . . . 9
|
| 9 | 8 | imp 350 |
. . . . . . . 8
|
| 10 | 9 | imp4a 364 |
. . . . . . 7
|
| 11 | 10 | com23 32 |
. . . . . 6
|
| 12 | 11 | 19.21adv 1288 |
. . . . 5
|
| 13 | 12 | 19.23adv 1214 |
. . . 4
|
| 14 | sspss 2145 |
. . . . . 6
| |
| 15 | 14 | negbii 187 |
. . . . 5
|
| 16 | nss 2113 |
. . . . 5
| |
| 17 | 15, 16 | bitr3 175 |
. . . 4
|
| 18 | sspss 2145 |
. . . . 5
| |
| 19 | dfss2 2058 |
. . . . 5
| |
| 20 | 18, 19 | bitr3 175 |
. . . 4
|
| 21 | 13, 17, 20 | 3imtr4g 553 |
. . 3
|
| 22 | 21 | orrd 233 |
. 2
|
| 23 | df-3or 776 |
. . 3
| |
| 24 | or23 263 |
. . 3
| |
| 25 | orordir 267 |
. . . 4
| |
| 26 | eqcom 1477 |
. . . . . 6
| |
| 27 | 26 | orbi2i 255 |
. . . . 5
|
| 28 | 27 | orbi2i 255 |
. . . 4
|
| 29 | 25, 28 | bitr4 176 |
. . 3
|
| 30 | 23, 24, 29 | 3bitr 177 |
. 2
|
| 31 | 22, 30 | sylibr 200 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ltsopr 5136 |
| 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-9 965 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-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4625 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 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-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-pss 2055 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-fv 3198 df-rdg 3932 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-1o 4133 df-oadd 4135 df-omul 4136 df-er 4261 df-ec 4263 df-qs 4266 df-ni 5000 df-mi 5002 df-lti 5003 df-enq 5037 df-nq 5038 df-ltq 5042 df-np 5086 |