| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5674 | . . 3 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
| 2 | cnvxp 6156 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 3 | 2 | dmeqi 5896 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 4 | 1, 3 | eqtri 2786 | . 2 ⊢ ran (𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 5 | dmxp 5921 | . 2 ⊢ (𝐴 ≠ ∅ → dom (𝐵 × 𝐴) = 𝐵) | |
| 6 | 4, 5 | eqtrid 2810 | 1 ⊢ (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 ≠ wne 2958 ∅c0 4287 × cxp 5661 ◡ccnv 5662 dom cdm 5663 ran crn 5664 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-11 2192 ax-ext 2735 ax-sep 5258 ax-pr 5406 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-br 5111 df-opab 5175 df-xp 5669 df-rel 5670 df-cnv 5671 df-dm 5673 df-rn 5674 |
| This theorem is referenced by: rnxpid 6173 ssxpb 6174 xpima 6182 unixp 6285 fconst5 7206 rnmptc 7207 xpexr 7916 xpexr2 7917 fparlem3 8110 fparlem4 8111 frxp 8123 fodomr 9117 fodomfir 9288 djuexb 9896 dfac5lem3 10110 fpwwe2lem12 10628 vdwlem8 17049 ramz 17086 gsumxp 20047 xkoccn 23757 txindislem 23771 cnextf 24204 metustexhalf 24694 ovolctb 25630 axlowdimlem13 29282 axlowdim1 29287 imadifxp 32924 sibf0 34702 ovoliunnfl 38291 voliunnfl 38293 dmrnxp 49592 idfudiag1lem 50278 |
| Copyright terms: Public domain | W3C validator |