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 5560 | . . 3 ⊢ ran (𝐴 × 𝐵) = dom ◡(𝐴 × 𝐵) | |
2 | cnvxp 6008 | . . . 4 ⊢ ◡(𝐴 × 𝐵) = (𝐵 × 𝐴) | |
3 | 2 | dmeqi 5767 | . . 3 ⊢ dom ◡(𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
4 | 1, 3 | eqtri 2844 | . 2 ⊢ ran (𝐴 × 𝐵) = dom (𝐵 × 𝐴) |
5 | dmxp 5793 | . 2 ⊢ (𝐴 ≠ ∅ → dom (𝐵 × 𝐴) = 𝐵) | |
6 | 4, 5 | syl5eq 2868 | 1 ⊢ (𝐴 ≠ ∅ → ran (𝐴 × 𝐵) = 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1533 ≠ wne 3016 ∅c0 4290 × cxp 5547 ◡ccnv 5548 dom cdm 5549 ran crn 5550 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pr 5321 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-ral 3143 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-br 5059 df-opab 5121 df-xp 5555 df-rel 5556 df-cnv 5557 df-dm 5559 df-rn 5560 |
This theorem is referenced by: rnxpid 6024 ssxpb 6025 xpima 6033 unixp 6127 fconst5 6962 rnmptc 6963 xpexr 7617 xpexr2 7618 fparlem3 7803 fparlem4 7804 frxp 7814 fodomr 8662 djuexb 9332 dfac5lem3 9545 fpwwe2lem13 10058 vdwlem8 16318 ramz 16355 gsumxp 19090 xkoccn 22221 txindislem 22235 cnextf 22668 metustexhalf 23160 ovolctb 24085 axlowdimlem13 26734 axlowdim1 26739 imadifxp 30345 sibf0 31587 ovoliunnfl 34928 voliunnfl 34930 |
Copyright terms: Public domain | W3C validator |