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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 5636 | . 2 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
| 2 | cnvxp 6115 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 3 | 2 | dmeqi 5853 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 4 | dmxpss 6129 | . . 3 ⊢ dom (𝐵 × 𝐴) ⊆ 𝐵 | |
| 5 | 3, 4 | eqsstri 3968 | . 2 ⊢ dom ◡(𝐴 × 𝐵) ⊆ 𝐵 |
| 6 | 1, 5 | eqsstri 3968 | 1 ⊢ ran (𝐴 × 𝐵) ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| Syntax hints: ⊆ wss 3890 × cxp 5623 ◡ccnv 5624 dom cdm 5625 ran crn 5626 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-11 2168 ax-ext 2712 ax-sep 5225 ax-pr 5369 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-ne 2936 df-ral 3055 df-rex 3065 df-rab 3393 df-v 3434 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4269 df-if 4462 df-sn 4563 df-pr 4565 df-op 4569 df-br 5080 df-opab 5142 df-xp 5631 df-rel 5632 df-cnv 5633 df-dm 5635 df-rn 5636 |
| This theorem is referenced by: ssxpb 6132 ssrnres 6136 resssxp 6228 funssxp 6690 fconst 6720 dff2 7047 dff3 7048 fliftf 7266 frxp2 8091 frxp3 8098 marypha1lem 9343 marypha1 9344 dfac12lem2 10065 brdom4 10450 nqerf 10851 xptrrel 14940 lern 18555 cnconst2 23273 lmss 23288 tsmsxplem1 24143 causs 25290 i1f0 25679 itg10 25680 taylf 26351 noextendseq 27656 perpln2 28804 gsumpart 33151 locfinref 34032 sitg0 34537 heicant 38023 rntrclfvOAI 43141 rtrclex 44062 trclexi 44065 rtrclexi 44066 cnvtrcl0 44071 rntrcl 44073 brtrclfv2 44172 xphe 44226 rfovcnvf1od 44449 |
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