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Mirrors > Home > ILE Home > Th. List > relxp | Unicode version |
Description: A cross product is a relation. Theorem 3.13(i) of [Monk1] p. 37. (Contributed by NM, 2-Aug-1994.) |
Ref | Expression |
---|---|
relxp |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xpss 4706 | . 2 | |
2 | df-rel 4605 | . 2 | |
3 | 1, 2 | mpbir 145 | 1 |
Colors of variables: wff set class |
Syntax hints: cvv 2721 wss 3111 cxp 4596 wrel 4603 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-ext 2146 |
This theorem depends on definitions: df-bi 116 df-nf 1448 df-sb 1750 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-v 2723 df-in 3117 df-ss 3124 df-opab 4038 df-xp 4604 df-rel 4605 |
This theorem is referenced by: xpiindim 4735 eliunxp 4737 opeliunxp2 4738 relres 4906 codir 4986 qfto 4987 cnvcnv 5050 dfco2 5097 unixpm 5133 ressn 5138 fliftcnv 5757 fliftfun 5758 opeliunxp2f 6197 reltpos 6209 tpostpos 6223 tposfo 6230 tposf 6231 swoer 6520 xpider 6563 erinxp 6566 xpcomf1o 6782 ltrel 7951 lerel 7953 fisumcom2 11365 fprodcom2fi 11553 txuni2 12797 txdis1cn 12819 xmeter 12977 reldvg 13189 |
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