| 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 5642 | . . 3 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
| 2 | cnvxp 6121 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 3 | 2 | dmeqi 5859 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 4 | 1, 3 | eqtri 2759 | . 2 ⊢ ran (𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 5 | dmxp 5884 | . 2 ⊢ (𝐴 ≠ ∅ → dom (𝐵 × 𝐴) = 𝐵) | |
| 6 | 4, 5 | eqtrid 2783 | 1 ⊢ (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ≠ wne 2932 ∅c0 4273 × cxp 5629 ◡ccnv 5630 dom cdm 5631 ran crn 5632 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-11 2163 ax-ext 2708 ax-sep 5231 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2715 df-cleq 2728 df-clel 2811 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 df-opab 5148 df-xp 5637 df-rel 5638 df-cnv 5639 df-dm 5641 df-rn 5642 |
| This theorem is referenced by: rnxpid 6137 ssxpb 6138 xpima 6146 unixp 6246 fconst5 7161 rnmptc 7162 xpexr 7869 xpexr2 7870 fparlem3 8064 fparlem4 8065 frxp 8076 fodomr 9066 fodomfir 9238 djuexb 9833 dfac5lem3 10047 fpwwe2lem12 10565 vdwlem8 16959 ramz 16996 gsumxp 19951 xkoccn 23584 txindislem 23598 cnextf 24031 metustexhalf 24521 ovolctb 25457 axlowdimlem13 29023 axlowdim1 29028 imadifxp 32671 sibf0 34478 ovoliunnfl 37983 voliunnfl 37985 dmrnxp 49312 idfudiag1lem 49998 |
| Copyright terms: Public domain | W3C validator |