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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 5651 | . 2 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
| 2 | cnvxp 6132 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 3 | 2 | dmeqi 5873 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 4 | dmxpss 6146 | . . 3 ⊢ dom (𝐵 × 𝐴) ⊆ 𝐵 | |
| 5 | 3, 4 | eqsstri 3977 | . 2 ⊢ dom ◡(𝐴 × 𝐵) ⊆ 𝐵 |
| 6 | 1, 5 | eqsstri 3977 | 1 ⊢ ran (𝐴 × 𝐵) ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: ⊆ wss 3899 × cxp 5638 ◡ccnv 5639 dom cdm 5640 ran crn 5641 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1809 ax-4 1823 ax-5 1924 ax-6 1981 ax-7 2022 ax-8 2138 ax-9 2146 ax-11 2185 ax-ext 2728 ax-sep 5240 ax-pr 5384 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3an 1097 df-tru 1557 df-fal 1567 df-ex 1794 df-sb 2085 df-clab 2735 df-cleq 2748 df-clel 2831 df-ne 2952 df-ral 3071 df-rex 3081 df-rab 3409 df-v 3450 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4281 df-if 4475 df-sn 4577 df-pr 4579 df-op 4583 df-br 5095 df-opab 5157 df-xp 5646 df-rel 5647 df-cnv 5648 df-dm 5650 df-rn 5651 |
| This theorem is referenced by: ssxpb 6149 ssrnres 6153 resssxp 6246 funssxp 6709 fconst 6739 dff2 7069 dff3 7070 fliftf 7288 frxp2 8112 frxp3 8119 marypha1lem 9369 marypha1 9370 dfac12lem2 10091 brdom4 10477 nqerf 10878 xptrrel 14983 lern 18599 cnconst2 23316 lmss 23331 tsmsxplem1 24186 causs 25333 i1f0 25722 itg10 25723 taylf 26394 noextendseq 27701 perpln2 28850 gsumpart 33197 locfinref 34092 sitg0 34597 heicant 38102 rntrclfvOAI 43220 rtrclex 44141 trclexi 44144 rtrclexi 44145 cnvtrcl0 44150 rntrcl 44152 brtrclfv2 44251 xphe 44305 rfovcnvf1od 44528 |
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