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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 5186 | . . 3 ⊢ Ⅎ𝑥{〈𝑥, 𝑦〉 ∣ 𝜑} | |
| 2 | nfopab2 5187 | . . 3 ⊢ Ⅎ𝑦{〈𝑥, 𝑦〉 ∣ 𝜑} | |
| 3 | 1, 2 | dfrnf 5945 | . 2 ⊢ ran {〈𝑥, 𝑦〉 ∣ 𝜑} = {𝑦 ∣ ∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦} |
| 4 | df-br 5115 | . . . . 5 ⊢ (𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦 ↔ 〈𝑥, 𝑦〉 ∈ {〈𝑥, 𝑦〉 ∣ 𝜑}) | |
| 5 | opabidw 5513 | . . . . 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 2833 | . 2 ⊢ {𝑦 ∣ ∃𝑥 𝑥{〈𝑥, 𝑦〉 ∣ 𝜑}𝑦} = {𝑦 ∣ ∃𝑥𝜑} |
| 9 | 3, 8 | eqtri 2789 | 1 ⊢ ran {〈𝑥, 𝑦〉 ∣ 𝜑} = {𝑦 ∣ ∃𝑥𝜑} |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∃wex 1812 ∈ wcel 2146 {cab 2744 〈cop 4600 class class class wbr 5114 {copab 5178 ran crn 5667 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-pr 5409 |
| 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-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5115 df-opab 5179 df-cnv 5674 df-dm 5676 df-rn 5677 |
| This theorem is used by: rnopabss 5950 rnopab3 5951 rnmpt 5952 mptpreima 6244 rnoprab 7528 pwfir 9286 marypha2lem4 9408 hartogslem1 9514 rnttrcl 9701 axdc2lem 10450 abrexdomjm 32890 abrexexd 32892 lsmsnorb 33735 satfrnmapom 35883 rnmptsn 38022 abrexdom 38422 rncnvepres 38999 dfsuccl2 39160 imaopab 43043 tfsconcatrn 44110 modelaxreplem3 45730 |
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