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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 5656 | . . 3 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
| 2 | cnvxp 6139 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 3 | 2 | dmeqi 5878 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 4 | 1, 3 | eqtri 2784 | . 2 ⊢ ran (𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 5 | dmxp 5903 | . 2 ⊢ (𝐴 ≠ ∅ → dom (𝐵 × 𝐴) = 𝐵) | |
| 6 | 4, 5 | eqtrid 2808 | 1 ⊢ (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ≠ wne 2956 ∅c0 4285 × cxp 5643 ◡ccnv 5644 dom cdm 5645 ran crn 5646 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-11 2190 ax-ext 2733 ax-sep 5245 ax-pr 5389 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-ne 2957 df-ral 3076 df-rex 3086 df-rab 3414 df-v 3455 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4480 df-sn 4582 df-pr 4584 df-op 4588 df-br 5100 df-opab 5162 df-xp 5651 df-rel 5652 df-cnv 5653 df-dm 5655 df-rn 5656 |
| This theorem is referenced by: rnxpid 6155 ssxpb 6156 xpima 6164 unixp 6265 fconst5 7186 rnmptc 7187 xpexr 7895 xpexr2 7896 fparlem3 8088 fparlem4 8089 frxp 8101 fodomr 9096 fodomfir 9268 djuexb 9864 dfac5lem3 10078 fpwwe2lem12 10597 vdwlem8 17007 ramz 17044 gsumxp 19999 xkoccn 23659 txindislem 23673 cnextf 24106 metustexhalf 24596 ovolctb 25532 axlowdimlem13 29101 axlowdim1 29106 imadifxp 32750 sibf0 34592 ovoliunnfl 38125 voliunnfl 38127 dmrnxp 49422 idfudiag1lem 50108 |
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