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Mirrors > Home > ILE Home > Th. List > opelxpd | Unicode version |
Description: Ordered pair membership in a Cartesian product, deduction form. (Contributed by Glauco Siliprandi, 3-Mar-2021.) |
Ref | Expression |
---|---|
opelxpd.1 |
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opelxpd.2 |
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Ref | Expression |
---|---|
opelxpd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | opelxpd.1 |
. 2
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2 | opelxpd.2 |
. 2
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3 | opelxpi 4652 |
. 2
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4 | 1, 2, 3 | syl2anc 411 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-14 2149 ax-ext 2157 ax-sep 4116 ax-pow 4169 ax-pr 4203 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1459 df-sb 1761 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ral 2458 df-rex 2459 df-v 2737 df-un 3131 df-in 3133 df-ss 3140 df-pw 3574 df-sn 3595 df-pr 3596 df-op 3598 df-opab 4060 df-xp 4626 |
This theorem is referenced by: suplocsrlemb 7780 seqvalcd 10427 ctiunctlemfo 12405 strslfv2d 12469 txcnp 13322 upxp 13323 txcnmpt 13324 uptx 13325 txdis1cn 13329 txlm 13330 lmcn2 13331 txhmeo 13370 comet 13550 txmetcnp 13569 dvaddxxbr 13716 dvmulxxbr 13717 dvcoapbr 13722 |
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