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| Description: Subset theorem for cross product. Generalization of Theorem 101 of [Suppes] p. 52. |
| Ref | Expression |
|---|---|
| ssxp |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | relxp 3344 |
. . 3
| |
| 2 | 1 | a1i 8 |
. 2
|
| 3 | prth 559 |
. . . 4
| |
| 4 | visset 1859 |
. . . . 5
| |
| 5 | 4 | opelxp 3297 |
. . . 4
|
| 6 | 4 | opelxp 3297 |
. . . 4
|
| 7 | 3, 5, 6 | 3imtr4g 556 |
. . 3
|
| 8 | ssel 2115 |
. . 3
| |
| 9 | ssel 2115 |
. . 3
| |
| 10 | 7, 8, 9 | syl2an 456 |
. 2
|
| 11 | 2, 10 | relssdv 3337 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ssres2 3476 ssxpb 3560 ssrnres 3566 relrelss 3618 coexg 3629 fssxp 3744 funssxp 3745 oprabss 4066 xpdom3 4586 dmaddpi 5172 dmmulpi 5173 axresscn 5422 mulnzcnopr 5854 climuz0i 7311 xpnnen 7711 infxpidmlem7 7770 metreslem 8032 cncfmet 8116 remetba 8120 lmbrf 8141 iscauf 8150 iscau5 8152 iscaunns 8155 lmsslem 8163 caussi 8165 lmclimnn 8175 resgrprn 8336 issubgi 8364 ghgrpilem4 8377 sspg 8641 ssps 8643 sspmlem 8645 h2hcau 9124 h2hlm 9125 hhssabli 9408 hhssnv 9410 hhshsslem1 9413 ghomfo 10676 residcp 10806 difxp 11798 stioo 11910 iccst 11939 txuni 11975 txsubsp 11983 txcld 11985 heiborlem33 12043 icccmp 12083 phtpycolem3 12095 phtpycolem4 12096 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 998 ax-gen 999 ax-8 1000 ax-10 1002 ax-11 1003 ax-12 1004 ax-13 1005 ax-14 1006 ax-17 1007 ax-4 1009 ax-5o 1011 ax-6o 1014 ax-9o 1159 ax-10o 1177 ax-16 1247 ax-11o 1255 ax-ext 1500 ax-sep 2777 ax-pow 2818 ax-pr 2855 |
| This theorem depends on definitions: df-bi 145 df-or 222 df-an 223 df-ex 1017 df-sb 1209 df-eu 1421 df-mo 1422 df-clab 1506 df-cleq 1511 df-clel 1514 df-ne 1630 df-v 1858 df-dif 2101 df-un 2102 df-in 2103 df-ss 2105 df-nul 2333 df-pw 2459 df-sn 2470 df-pr 2471 df-op 2474 df-opab 2741 df-xp 3265 df-rel 3266 |