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Mirrors > Home > MPE Home > Th. List > opabbii | Structured version Visualization version GIF version |
Description: Equivalent wff's yield equal class abstractions. (Contributed by NM, 15-May-1995.) |
Ref | Expression |
---|---|
opabbii.1 | ⊢ (𝜑 ↔ 𝜓) |
Ref | Expression |
---|---|
opabbii | ⊢ {〈𝑥, 𝑦〉 ∣ 𝜑} = {〈𝑥, 𝑦〉 ∣ 𝜓} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2798 | . 2 ⊢ 𝑧 = 𝑧 | |
2 | opabbii.1 | . . . 4 ⊢ (𝜑 ↔ 𝜓) | |
3 | 2 | a1i 11 | . . 3 ⊢ (𝑧 = 𝑧 → (𝜑 ↔ 𝜓)) |
4 | 3 | opabbidv 5096 | . 2 ⊢ (𝑧 = 𝑧 → {〈𝑥, 𝑦〉 ∣ 𝜑} = {〈𝑥, 𝑦〉 ∣ 𝜓}) |
5 | 1, 4 | ax-mp 5 | 1 ⊢ {〈𝑥, 𝑦〉 ∣ 𝜑} = {〈𝑥, 𝑦〉 ∣ 𝜓} |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 209 = wceq 1538 {copab 5092 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-9 2121 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-nf 1786 df-sb 2070 df-clab 2777 df-cleq 2791 df-opab 5093 |
This theorem is referenced by: mptv 5135 2rbropap 5416 dfid4 5426 fconstmpt 5578 xpundi 5584 xpundir 5585 inxp 5667 csbcnv 5718 cnvco 5720 resopab 5869 opabresid 5884 opabresidOLD 5886 cnvi 5967 cnvun 5968 cnvxp 5981 cnvcnv3 6012 coundi 6067 coundir 6068 mptun 6466 fvopab6 6778 fmptsng 6907 fmptsnd 6908 cbvoprab1 7220 cbvoprab12 7222 dmoprabss 7235 mpomptx 7244 resoprab 7249 elrnmpores 7267 ov6g 7292 1st2val 7699 2nd2val 7700 dfoprab3s 7733 dfoprab3 7734 dfoprab4 7735 opabn1stprc 7738 mptmpoopabbrd 7761 fsplit 7795 fsplitOLD 7796 mapsncnv 8440 xpcomco 8590 marypha2lem2 8884 oemapso 9129 leweon 9422 r0weon 9423 compsscnv 9782 fpwwe 10057 ltrelxr 10691 ltxrlt 10700 ltxr 12498 shftidt2 14432 prdsle 16727 prdsless 16728 prdsleval 16742 dfiso2 17034 joindm 17605 meetdm 17619 gaorb 18429 efgcpbllema 18872 frgpuplem 18890 dvdsrzring 20176 pjfval2 20398 ltbval 20711 ltbwe 20712 opsrle 20715 opsrtoslem1 20723 opsrtoslem2 20724 lmfval 21837 lmbr 21863 lgsquadlem3 25966 perpln1 26504 outpasch 26549 ishpg 26553 axcontlem2 26759 wksfval 27399 wlkson 27446 pthsfval 27510 ispth 27512 dfadj2 29668 dmadjss 29670 cnvadj 29675 mpomptxf 30442 satfv0 32718 satfvsuclem1 32719 satfvsuclem2 32720 satfbrsuc 32726 satf0 32732 satf0suclem 32735 fmlasuc0 32744 fneer 33814 bj-dfmpoa 34533 bj-mpomptALT 34534 bj-brab2a1 34564 bj-imdiridlem 34600 bj-opabco 34603 opropabco 35162 cnvepres 35715 inxp2 35779 xrninxp 35800 xrninxp2 35801 rnxrnres 35807 rnxrncnvepres 35808 rnxrnidres 35809 dfcoss2 35821 dfcoss3 35822 1cossres 35834 dfcoels 35835 br1cosscnvxrn 35874 1cosscnvxrn 35875 coss0 35879 cossid 35880 dfssr2 35899 cmtfvalN 36506 cmtvalN 36507 cvrfval 36564 cvrval 36565 dicval2 38475 fgraphopab 40154 fgraphxp 40155 mptssid 41877 dfnelbr2 43829 opabbrfex0d 43842 opabbrfexd 43844 upwlksfval 44363 xpsnopab 44385 mpomptx2 44736 |
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