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| 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 2902 | . 2 ⊢ (⊤ → (𝑥 ∈ 𝐴 ↔ 𝜑)) |
| 4 | 3 | mptru 1566 | 1 ⊢ (𝑥 ∈ 𝐴 ↔ 𝜑) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 208 = wceq 1559 ⊤wtru 1560 ∈ wcel 2141 {cab 2739 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-12 2211 ax-ext 2733 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1562 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 |
| This theorem is referenced by: eqabcri 2904 rabid 3434 csbcow 3865 csbco 3866 csbgfi 3870 csbnestgfw 4373 csbnestgf 4378 relopabi 5791 cnv0OLD 5852 funcnv3 6585 opabiota 6943 zfrep6OLD 7930 frrlem2 8261 frrlem3 8262 frrlem4 8263 frrlem8 8267 fprresex 8284 tfrlem4 8342 tfrlem8 8348 tfrlem9 8349 ixpn0 8905 sbthlem1 9052 dffi3 9370 setinds 9697 1idpr 10980 ltexprlem1 10987 ltexprlem2 10988 ltexprlem3 10989 ltexprlem4 10990 ltexprlem6 10992 ltexprlem7 10993 reclem2pr 10999 reclem3pr 11000 reclem4pr 11001 supsrlem 11062 dissnref 23575 dissnlocfin 23576 txbas 23614 xkoccn 23666 xkoptsub 23701 xkoco1cn 23704 xkoco2cn 23705 xkoinjcn 23734 mbfi1fseqlem4 25767 avril1 30621 rnmposs 32835 bnj1436 35094 bnj916 35188 bnj983 35206 bnj1083 35233 bnj1245 35269 bnj1311 35279 bnj1371 35284 bnj1398 35289 tz9.1regs 35390 bj-elsngl 37413 bj-projun 37439 bj-projval 37441 f1omptsnlem 37790 icoreresf 37806 finxp0 37845 finxp1o 37846 finxpsuclem 37851 sdclem1 38202 csbcom2fi 38587 ralrnmo 38820 raldmqsmo 38822 rr-grothshortbi 44839 modelaxreplem3 45516 |
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