| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > eqabri | Structured version Visualization version GIF version | ||
| Description: Equality of a class variable and a class abstraction (inference form). (Contributed by NM, 3-Apr-1996.) (Proof shortened by Wolf Lammen, 15-Nov-2019.) |
| Ref | Expression |
|---|---|
| eqabri.1 | ⊢ 𝐴 = {𝑥 ∣ 𝜑} |
| Ref | Expression |
|---|---|
| eqabri | ⊢ (𝑥 ∈ 𝐴 ↔ 𝜑) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqabri.1 | . . . 4 ⊢ 𝐴 = {𝑥 ∣ 𝜑} | |
| 2 | 1 | a1i 11 | . . 3 ⊢ (⊤ → 𝐴 = {𝑥 ∣ 𝜑}) |
| 3 | 2 | eqabrd 2906 | . 2 ⊢ (⊤ → (𝑥 ∈ 𝐴 ↔ 𝜑)) |
| 4 | 3 | mptru 1570 | 1 ⊢ (𝑥 ∈ 𝐴 ↔ 𝜑) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 = wceq 1563 ⊤wtru 1564 ∈ wcel 2145 {cab 2743 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-12 2215 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1566 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 |
| This theorem is referenced by: eqabcri 2908 rabid 3438 csbcow 3870 csbco 3871 csbgfi 3875 csbnestgfw 4379 csbnestgf 4384 relopabi 5799 cnv0OLD 5860 funcnv3 6595 opabiota 6953 zfrep6OLD 7940 frrlem2 8272 frrlem3 8273 frrlem4 8274 frrlem8 8278 fprresex 8295 tfrlem4 8353 tfrlem8 8359 tfrlem9 8360 ixpn0 8916 sbthlem1 9063 dffi3 9379 setinds 9706 1idpr 11002 ltexprlem1 11009 ltexprlem2 11010 ltexprlem3 11011 ltexprlem4 11012 ltexprlem6 11014 ltexprlem7 11015 reclem2pr 11021 reclem3pr 11022 reclem4pr 11023 supsrlem 11084 dissnref 23642 dissnlocfin 23643 txbas 23681 xkoccn 23733 xkoptsub 23768 xkoco1cn 23771 xkoco2cn 23772 xkoinjcn 23801 mbfi1fseqlem4 25834 avril1 30719 rnmposs 32926 bnj1436 35139 bnj916 35233 bnj983 35251 bnj1083 35278 bnj1245 35314 bnj1311 35324 bnj1371 35329 bnj1398 35334 tz9.1regs 35437 bj-elsngl 37460 bj-projun 37486 bj-projval 37488 f1omptsnlem 37837 icoreresf 37853 finxp0 37892 finxp1o 37893 finxpsuclem 37898 sdclem1 38249 csbcom2fi 38634 ralrnmo 38867 raldmqsmo 38869 rr-grothshortbi 44872 modelaxreplem3 45548 |
| Copyright terms: Public domain | W3C validator |