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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 5671 | . 2 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
| 2 | cnvxp 6153 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 3 | 2 | dmeqi 5893 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 4 | dmxpss 6168 | . . 3 ⊢ dom (𝐵 × 𝐴) ⊆ 𝐵 | |
| 5 | 3, 4 | eqsstri 3982 | . 2 ⊢ dom ◡(𝐴 × 𝐵) ⊆ 𝐵 |
| 6 | 1, 5 | eqsstri 3982 | 1 ⊢ ran (𝐴 × 𝐵) ⊆ 𝐵 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ⊆ wss 3904 × cxp 5658 ◡ccnv 5659 dom cdm 5660 ran crn 5661 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-11 2191 ax-ext 2734 ax-sep 5256 ax-pr 5403 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-sb 2096 df-clab 2741 df-cleq 2754 df-clel 2837 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-sn 4589 df-pr 4591 df-op 4595 df-br 5109 df-opab 5173 df-xp 5666 df-rel 5667 df-cnv 5668 df-dm 5670 df-rn 5671 |
| This theorem is used by: ssxpb 6171 ssrnres 6175 resssxp 6271 funssxp 6734 fconst 6764 dff2 7094 dff3 7095 fliftf 7313 frxp2 8138 frxp3 8145 marypha1lem 9391 marypha1 9392 dfac12lem2 10135 brdom4 10520 nqerf 10921 xptrrel 15024 lern 18653 cnconst2 23451 lmss 23466 tsmsxplem1 24321 causs 25468 i1f0 25857 itg10 25858 taylf 26535 noextendseq 27842 perpln2 29002 gsumpart 33392 locfinref 34240 sitg0 34745 heicant 38334 rntrclfvOAI 43450 rtrclex 44371 trclexi 44374 rtrclexi 44375 cnvtrcl0 44380 rntrcl 44382 brtrclfv2 44481 xphe 44535 rfovcnvf1od 44758 |
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