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Mirrors > Home > ILE Home > Th. List > rnxpss | Unicode version |
Description: The range of a cross product is a subclass of the second factor. (Contributed by NM, 16-Jan-2006.) (Proof shortened by Andrew Salmon, 27-Aug-2011.) |
Ref | Expression |
---|---|
rnxpss |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rn 4633 |
. 2
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2 | cnvxp 5042 |
. . . 4
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3 | 2 | dmeqi 4823 |
. . 3
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4 | dmxpss 5054 |
. . 3
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5 | 3, 4 | eqsstri 3187 |
. 2
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6 | 1, 5 | eqsstri 3187 |
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 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4118 ax-pow 4171 ax-pr 4205 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-v 2739 df-un 3133 df-in 3135 df-ss 3142 df-pw 3576 df-sn 3597 df-pr 3598 df-op 3600 df-br 4001 df-opab 4062 df-xp 4628 df-rel 4629 df-cnv 4630 df-dm 4632 df-rn 4633 |
This theorem is referenced by: rnxpss2 5057 rnxpid 5058 ssxpbm 5059 ssxp2 5061 ssrnres 5066 funssxp 5380 fconst 5406 dff2 5655 fliftf 5793 tfrcllembfn 6351 frecuzrdgtcl 10385 cnconst2 13366 lmss 13379 exmidsbthrlem 14393 |
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