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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 5175 | . . 3 ⊢ Ⅎ𝑥{〈𝑥, 𝑦〉 ∣ 𝜑} | |
| 2 | nfopab2 5176 | . . 3 ⊢ Ⅎ𝑦{〈𝑥, 𝑦〉 ∣ 𝜑} | |
| 3 | 1, 2 | dfrnf 5932 | . 2 ⊢ ran {〈𝑥, 𝑦〉 ∣ 𝜑} = {𝑦 ∣ ∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦} |
| 4 | df-br 5104 | . . . . 5 ⊢ (𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦 ↔ 〈𝑥, 𝑦〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑}) | |
| 5 | opabidw 5498 | . . . . 5 ⊢ (〈𝑥, 𝑦〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑} ↔ 𝜑) | |
| 6 | 4, 5 | bitri 278 | . . . 4 ⊢ (𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦 ↔ 𝜑) |
| 7 | 6 | exbii 1881 | . . 3 ⊢ (∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦 ↔ ∃𝑥𝜑) |
| 8 | 7 | abbii 2828 | . 2 ⊢ {𝑦 ∣ ∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦} = {𝑦 ∣ ∃𝑥𝜑} |
| 9 | 3, 8 | eqtri 2784 | 1 ⊢ ran {〈𝑥, 𝑦〉 ∣ 𝜑} = {𝑦 ∣ ∃𝑥𝜑} |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∃wex 1812 ∈ wcel 2145 {cab 2739 〈cop 4590 class class class wbr 5103 {copab 5167 ran crn 5652 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-cnv 5659 df-dm 5661 df-rn 5662 |
| This theorem is used by: rnopabss 5937 rnopab3 5938 rnmpt 5939 mptpreima 6232 rnoprab 7517 pwfir 9292 marypha2lem4 9414 hartogslem1 9520 rnttrcl 9707 axdc2lem 10507 abrexdomjm 33085 abrexexd 33087 lsmsnorb 33928 satfrnmapom 36104 rnmptsn 38226 abrexdom 38632 rncnvepres 39209 dfsuccl2 39370 imaopab 43253 tfsconcatrn 44302 modelaxreplem3 45922 |
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