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Mirrors > Home > MPE Home > Th. List > rnxp | Structured version Visualization version GIF version |
Description: The range of a Cartesian product. Part of Theorem 3.13(x) of [Monk1] p. 37. (Contributed by NM, 12-Apr-2004.) |
Ref | Expression |
---|---|
rnxp | ⊢ (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-rn 5536 | . . 3 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
2 | cnvxp 5987 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
3 | 2 | dmeqi 5745 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
4 | 1, 3 | eqtri 2782 | . 2 ⊢ ran (𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
5 | dmxp 5771 | . 2 ⊢ (𝐴 ≠ ∅ → dom (𝐵 × 𝐴) = 𝐵) | |
6 | 4, 5 | syl5eq 2806 | 1 ⊢ (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ≠ wne 2952 ∅c0 4226 × cxp 5523 ◡ccnv 5524 dom cdm 5525 ran crn 5526 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-sep 5170 ax-nul 5177 ax-pr 5299 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-ral 3076 df-v 3412 df-dif 3862 df-un 3864 df-in 3866 df-ss 3876 df-nul 4227 df-if 4422 df-sn 4524 df-pr 4526 df-op 4530 df-br 5034 df-opab 5096 df-xp 5531 df-rel 5532 df-cnv 5533 df-dm 5535 df-rn 5536 |
This theorem is referenced by: rnxpid 6003 ssxpb 6004 xpima 6012 unixp 6112 fconst5 6960 rnmptc 6961 xpexr 7629 xpexr2 7630 fparlem3 7815 fparlem4 7816 frxp 7826 fodomr 8690 djuexb 9364 dfac5lem3 9578 fpwwe2lem12 10095 vdwlem8 16372 ramz 16409 gsumxp 19157 xkoccn 22312 txindislem 22326 cnextf 22759 metustexhalf 23251 ovolctb 24183 axlowdimlem13 26840 axlowdim1 26845 imadifxp 30455 sibf0 31813 ovoliunnfl 35372 voliunnfl 35374 |
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