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Mirrors > Home > MPE Home > Th. List > opabbidv | Structured version Visualization version GIF version |
Description: Equivalent wff's yield equal ordered-pair class abstractions (deduction rule). (Contributed by NM, 15-May-1995.) |
Ref | Expression |
---|---|
opabbidv.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
Ref | Expression |
---|---|
opabbidv | ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ 𝜓} = {〈𝑥, 𝑦〉 ∣ 𝜒}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nfv 1843 | . 2 ⊢ Ⅎ𝑥𝜑 | |
2 | nfv 1843 | . 2 ⊢ Ⅎ𝑦𝜑 | |
3 | opabbidv.1 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
4 | 1, 2, 3 | opabbid 4715 | 1 ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ 𝜓} = {〈𝑥, 𝑦〉 ∣ 𝜒}) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 196 = wceq 1483 {copab 4712 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-opab 4713 |
This theorem is referenced by: opabbii 4717 csbopab 5008 csbopabgALT 5009 csbmpt12 5010 xpeq1 5128 xpeq2 5129 opabbi2dv 5271 csbcnvgALT 5307 resopab2 5448 mptcnv 5534 cores 5638 xpco 5675 dffn5 6241 f1oiso2 6602 fvmptopab 6697 f1ocnvd 6884 ofreq 6900 mptmpt2opabbrd 7248 bropopvvv 7255 bropfvvvv 7257 fnwelem 7292 sprmpt2d 7350 mpt2curryd 7395 wemapwe 8594 xpcogend 13713 shftfval 13810 2shfti 13820 prdsval 16115 pwsle 16152 sectffval 16410 sectfval 16411 isfunc 16524 isfull 16570 isfth 16574 ipoval 17154 eqgfval 17642 dvdsrval 18645 dvdsrpropd 18696 ltbval 19471 opsrval 19474 lmfval 21036 xkocnv 21617 tgphaus 21920 isphtpc 22793 bcthlem1 23121 bcth 23126 ulmval 24134 lgsquadlem3 25107 iscgrg 25407 legval 25479 ishlg 25497 perpln1 25605 perpln2 25606 isperp 25607 ishpg 25651 iscgra 25701 isinag 25729 isleag 25733 wksfval 26505 upgrtrls 26598 upgrspthswlk 26634 ajfval 27664 f1o3d 29431 f1od2 29499 inftmrel 29734 isinftm 29735 metidval 29933 faeval 30309 eulerpartlemgvv 30438 eulerpart 30444 afsval 30749 cureq 33385 curf 33387 curunc 33391 fnopabeqd 33514 lcvfbr 34307 cmtfvalN 34497 cvrfval 34555 dicffval 36463 dicfval 36464 dicval 36465 dnwech 37618 aomclem8 37631 rfovcnvfvd 38301 fsovrfovd 38303 dfafn5a 41240 upwlksfval 41716 sprsymrelfv 41744 sprsymrelfo 41747 |
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