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Mirrors > Home > MPE Home > Th. List > rnxpss | Structured version Visualization version GIF version |
Description: The range of a Cartesian product is included in its second factor. (Contributed by NM, 16-Jan-2006.) (Proof shortened by Andrew Salmon, 27-Aug-2011.) |
Ref | Expression |
---|---|
rnxpss | ⊢ ran (𝐴 × 𝐵) ⊆ 𝐵 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rn 5711 | . 2 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
2 | cnvxp 6188 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
3 | 2 | dmeqi 5929 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
4 | dmxpss 6202 | . . 3 ⊢ dom (𝐵 × 𝐴) ⊆ 𝐵 | |
5 | 3, 4 | eqsstri 4043 | . 2 ⊢ dom ◡(𝐴 × 𝐵) ⊆ 𝐵 |
6 | 1, 5 | eqsstri 4043 | 1 ⊢ ran (𝐴 × 𝐵) ⊆ 𝐵 |
Colors of variables: wff setvar class |
Syntax hints: ⊆ wss 3976 × cxp 5698 ◡ccnv 5699 dom cdm 5700 ran crn 5701 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-11 2158 ax-12 2178 ax-ext 2711 ax-sep 5317 ax-nul 5324 ax-pr 5447 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-sb 2065 df-clab 2718 df-cleq 2732 df-clel 2819 df-ne 2947 df-ral 3068 df-rex 3077 df-rab 3444 df-v 3490 df-dif 3979 df-un 3981 df-ss 3993 df-nul 4353 df-if 4549 df-sn 4649 df-pr 4651 df-op 4655 df-br 5167 df-opab 5229 df-xp 5706 df-rel 5707 df-cnv 5708 df-dm 5710 df-rn 5711 |
This theorem is referenced by: ssxpb 6205 ssrnres 6209 resssxp 6301 funssxp 6776 fconst 6807 dff2 7133 dff3 7134 fliftf 7351 frxp2 8185 frxp3 8192 marypha1lem 9502 marypha1 9503 dfac12lem2 10214 brdom4 10599 nqerf 10999 xptrrel 15029 lern 18661 cnconst2 23312 lmss 23327 tsmsxplem1 24182 causs 25351 i1f0 25741 itg10 25742 taylf 26420 noextendseq 27730 perpln2 28737 gsumpart 33038 locfinref 33787 sitg0 34311 heicant 37615 rntrclfvOAI 42647 rtrclex 43579 trclexi 43582 rtrclexi 43583 cnvtrcl0 43588 rntrcl 43590 brtrclfv2 43689 xphe 43743 rfovcnvf1od 43966 |
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