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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 3255 |
. . 3
| |
| 2 | 1 | a1i 8 |
. 2
|
| 3 | prth 556 |
. . . 4
| |
| 4 | visset 1813 |
. . . . 5
| |
| 5 | 4 | opelxp 3214 |
. . . 4
|
| 6 | 4 | opelxp 3214 |
. . . 4
|
| 7 | 3, 5, 6 | 3imtr4g 553 |
. . 3
|
| 8 | ssel 2063 |
. . 3
| |
| 9 | ssel 2063 |
. . 3
| |
| 10 | 7, 8, 9 | syl2an 454 |
. 2
|
| 11 | 2, 10 | relssdv 3249 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: ssres2 3386 ssrnres 3481 coexg 3524 fssxp 3637 funssxp 3638 oprabss 4006 xpdom3 4445 dmaddpi 5018 dmmulpi 5019 axresscn 5268 mulnzcnopr 5702 climuz0 7108 xpnnen 7499 infxpidmlem7 7558 metreslem 7822 cncfmet 7905 remetba 7909 lmbrf 7930 iscauf 7939 iscau5 7941 iscaunns 7944 lmsslem 7952 caussi 7954 lmclimnn 7964 resgrprn 8095 issubgi 8122 ghgrpilem4 8136 sspg 8387 ssps 8389 sspmlem 8391 h2hcau 8849 h2hlm 8850 hhssabl 9132 hhssnv 9134 hhshsslem1 9137 ghomfo 10391 |
| 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-opab 2667 df-xp 3184 df-rel 3185 |