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| Description: Subset relationship for projections. Theorem 4.5(i)->(ii) of [Beran] p. 112. |
| Ref | Expression |
|---|---|
| pjidm.1 |
|
| pjidm.2 |
|
| pjsslem.1 |
|
| Ref | Expression |
|---|---|
| pjss2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pjidm.1 |
. . . . . 6
| |
| 2 | pjsslem.1 |
. . . . . 6
| |
| 3 | 1, 2 | chsscon3 9391 |
. . . . 5
|
| 4 | 2 | choccl 9192 |
. . . . . . 7
|
| 5 | pjidm.2 |
. . . . . . 7
| |
| 6 | 4, 5 | pjcli 9260 |
. . . . . 6
|
| 7 | ssel 2072 |
. . . . . 6
| |
| 8 | 6, 7 | mpi 44 |
. . . . 5
|
| 9 | 3, 8 | sylbi 199 |
. . . 4
|
| 10 | 1 | choccl 9192 |
. . . . 5
|
| 11 | 10, 5 | pjcli 9260 |
. . . 4
|
| 12 | 9, 11 | jctil 292 |
. . 3
|
| 13 | 10 | chshi 9104 |
. . . 4
|
| 14 | shsubcltOLD 9097 |
. . . 4
| |
| 15 | 13, 14 | ax-mp 7 |
. . 3
|
| 16 | 12, 15 | syl 10 |
. 2
|
| 17 | 1, 5, 2 | pjsslem 9631 |
. . . . . 6
|
| 18 | 17 | eleq1i 1544 |
. . . . 5
|
| 19 | 2, 5 | pjhcli 9261 |
. . . . . . 7
|
| 20 | 1, 5 | pjhcli 9261 |
. . . . . . 7
|
| 21 | 19, 20 | hvsubcl 8898 |
. . . . . 6
|
| 22 | 1, 21 | pjoc2 9278 |
. . . . 5
|
| 23 | 18, 22 | bitr 173 |
. . . 4
|
| 24 | 1, 19, 20 | pjsub 9630 |
. . . . 5
|
| 25 | 24 | eqeq1i 1489 |
. . . 4
|
| 26 | 1, 19 | pjhcli 9261 |
. . . . 5
|
| 27 | 1, 20 | pjhcli 9261 |
. . . . 5
|
| 28 | 26, 27 | hvsubeq0 8937 |
. . . 4
|
| 29 | 23, 25, 28 | 3bitr 177 |
. . 3
|
| 30 | 1, 5 | pjidm 9624 |
. . . 4
|
| 31 | 30 | eqeq2i 1492 |
. . 3
|
| 32 | 29, 31 | bitr2 174 |
. 2
|
| 33 | 16, 32 | sylibr 200 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: pjssm 9633 pjss2co 10099 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 966 ax-gen 967 ax-8 968 ax-9 969 ax-10 970 ax-11 971 ax-12 972 ax-13 973 ax-14 974 ax-17 975 ax-4 977 ax-5o 979 ax-6o 982 ax-9o 1129 ax-10o 1146 ax-16 1216 ax-11o 1224 ax-ext 1466 ax-rep 2706 ax-sep 2716 ax-nul 2723 ax-pow 2756 ax-pr 2793 ax-un 2880 ax-reg 4603 ax-inf2 4637 ax-ac 4756 ax-hilex 8876 ax-hfvadd 8877 ax-hvcom 8878 ax-hvass 8879 ax-hv0cl 8880 ax-hvaddid 8881 ax-hfvmul 8882 ax-hvmulid 8883 ax-hvmulass 8884 ax-hvdistr1 8885 ax-hvdistr2 8886 ax-hvmul0 8887 ax-hfi 8953 ax-his1 8956 ax-his2 8957 ax-his3 8958 ax-his4 8959 ax-hcompl 9078 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 780 df-3an 781 df-ex 985 df-sb 1178 df-eu 1388 df-mo 1389 df-clab 1471 df-cleq 1476 df-clel 1479 df-ne 1594 df-nel 1595 df-ral 1656 df-rex 1657 df-reu 1658 df-rab 1659 df-v 1819 df-sbc 1949 df-csb 2010 df-dif 2058 df-un 2059 df-in 2060 df-ss 2062 df-pss 2064 df-nul 2290 df-if 2372 df-pw 2412 df-sn 2422 df-pr 2423 df-tp 2425 df-op 2426 df-uni 2516 df-int 2546 df-iun 2580 df-iin 2581 df-br 2633 df-opab 2680 df-tr 2694 df-eprel 2846 df-id 2849 df-po 2854 df-so 2864 df-fr 2931 df-we 2948 df-ord 2965 df-on 2966 df-lim 2967 df-suc 2968 df-om 3146 df-xp 3198 df-rel 3199 df-cnv 3200 df-co 3201 df-dm 3202 df-rn 3203 df-res 3204 df-ima 3205 df-fun 3206 df-fn 3207 df-f 3208 df-f1 3209 df-fo 3210 df-f1o 3211 df-fv 3212 df-rdg 3946 df-opr 3979 df-oprab 3980 df-1st 4093 df-2nd 4094 df-1o 4147 df-oadd 4149 df-omul 4150 df-er 4275 df-ec 4277 df-qs 4280 df-map 4338 df-en 4382 df-dom 4383 df-sdom 4384 df-sup 4584 df-r1 4655 df-rank 4656 df-ni 5013 df-pli 5014 df-mi 5015 df-lti 5016 df-plpq 5048 df-mpq 5049 df-enq 5050 df-nq 5051 df-plq 5052 df-mq 5053 df-rq 5054 df-ltq 5055 df-1q 5056 df-np 5099 df-1p 5100 df-plp 5101 df-mp 5102 df-ltp 5103 df-plpr 5177 df-mpr 5178 df-enr 5179 df-nr 5180 df-plr 5181 df-mr 5182 df-ltr 5183 df-0r 5184 df-1r 5185 df-m1r 5186 df-c 5253 df-0 5254 df-1 5255 df-i 5256 df-r 5257 df-plus 5258 df-mul 5259 df-lt 5260 df-sub 5369 df-neg 5371 df-pnf 5500 df-mnf 5501 df-xr 5502 df-ltxr 5503 df-le 5504 df-div 5716 df-n 5931 df-2 5976 df-3 5977 df-4 5978 df-n0 6106 df-z 6142 df-fl 6233 df-q 6266 df-ioo 6310 df-uz 6368 df-fz 6418 df-seq1 6491 df-shft 6524 df-seqz 6546 df-exp 6582 df-sqr 6684 df-re 6765 df-im 6766 df-cj 6767 df-abs 6768 df-clim 6989 df-sum 6994 df-top 7607 df-bases 7609 df-topgen 7610 df-cld 7672 df-ntr 7673 df-cls 7674 df-cn 7763 df-cnp 7764 df-haus 7791 df-met 7802 df-bl 7804 df-opn 7805 df-lm 7931 df-grp 8046 df-gid 8047 df-ginv 8048 df-gdiv 8049 df-abl 8108 df-vc 8173 df-nv 8219 df-va 8222 df-ba 8223 df-sm 8224 df-0v 8225 df-vs 8226 df-nm 8227 df-ims 8228 df-ip 8358 df-ph 8480 df-hnorm 8844 df-hvsub 8847 df-hlim 8848 df-hcau 8849 df-sh 9083 df-ch 9099 df-oc 9131 df-ch0 9132 df-pj 9244 |