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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 5635 | . . 3 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
| 2 | cnvxp 6115 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
| 3 | 2 | dmeqi 5853 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 4 | 1, 3 | eqtri 2760 | . 2 ⊢ ran (𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
| 5 | dmxp 5878 | . 2 ⊢ (𝐴 ≠ ∅ → dom (𝐵 × 𝐴) = 𝐵) | |
| 6 | 4, 5 | eqtrid 2784 | 1 ⊢ (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ≠ wne 2933 ∅c0 4274 × cxp 5622 ◡ccnv 5623 dom cdm 5624 ran crn 5625 |
| 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 2709 ax-sep 5231 ax-pr 5370 |
| 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 2716 df-cleq 2729 df-clel 2812 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-xp 5630 df-rel 5631 df-cnv 5632 df-dm 5634 df-rn 5635 |
| This theorem is referenced by: rnxpid 6131 ssxpb 6132 xpima 6140 unixp 6240 fconst5 7154 rnmptc 7155 xpexr 7862 xpexr2 7863 fparlem3 8057 fparlem4 8058 frxp 8069 fodomr 9059 fodomfir 9231 djuexb 9824 dfac5lem3 10038 fpwwe2lem12 10556 vdwlem8 16950 ramz 16987 gsumxp 19942 xkoccn 23594 txindislem 23608 cnextf 24041 metustexhalf 24531 ovolctb 25467 axlowdimlem13 29037 axlowdim1 29042 imadifxp 32686 sibf0 34494 ovoliunnfl 37997 voliunnfl 37999 dmrnxp 49324 idfudiag1lem 50010 |
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