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| Mirrors > Home > MPE Home > Th. List > rnopab | Structured version Visualization version GIF version | ||
| Description: The range of a class of ordered pairs. (Contributed by NM, 14-Aug-1995.) (Revised by Mario Carneiro, 4-Dec-2016.) |
| Ref | Expression |
|---|---|
| rnopab | ⊢ ran {〈𝑥, 𝑦〉 ∣ 𝜑} = {𝑦 ∣ ∃𝑥𝜑} |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | nfopab1 5174 | . . 3 ⊢ Ⅎ𝑥{〈𝑥, 𝑦〉 ∣ 𝜑} | |
| 2 | nfopab2 5175 | . . 3 ⊢ Ⅎ𝑦{〈𝑥, 𝑦〉 ∣ 𝜑} | |
| 3 | 1, 2 | dfrnf 5931 | . 2 ⊢ ran {〈𝑥, 𝑦〉 ∣ 𝜑} = {𝑦 ∣ ∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦} |
| 4 | df-br 5103 | . . . . 5 ⊢ (𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦 ↔ 〈𝑥, 𝑦〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑}) | |
| 5 | opabidw 5497 | . . . . 5 ⊢ (〈𝑥, 𝑦〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑} ↔ 𝜑) | |
| 6 | 4, 5 | bitri 278 | . . . 4 ⊢ (𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦 ↔ 𝜑) |
| 7 | 6 | exbii 1880 | . . 3 ⊢ (∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦 ↔ ∃𝑥𝜑) |
| 8 | 7 | abbii 2827 | . 2 ⊢ {𝑦 ∣ ∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦} = {𝑦 ∣ ∃𝑥𝜑} |
| 9 | 3, 8 | eqtri 2783 | 1 ⊢ ran {〈𝑥, 𝑦〉 ∣ 𝜑} = {𝑦 ∣ ∃𝑥𝜑} |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∃wex 1811 ∈ wcel 2144 {cab 2738 〈cop 4834 class class class wbr 5102 {copab 5166 ran crn 5651 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-pr 5390 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-br 5103 df-opab 5167 df-cnv 5658 df-dm 5660 df-rn 5661 |
| This theorem is used by: rnopabss 5936 rnopab3 5937 rnmpt 5938 mptpreima 6239 rnoprab 7525 pwfir 9311 marypha2lem4 9433 hartogslem1 9539 rnttrcl 9726 axdc2lem 10529 abrexdomjm 33150 abrexexd 33152 lsmsnorb 33992 satfrnmapom 36221 rnmptsn 38351 abrexdom 38757 rncnvepres 39334 dfsuccl2 39495 imaopab 43378 tfsconcatrn 44437 modelaxreplem3 46063 |
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