| 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 2901 | . 2 ⊢ (⊤ → (𝑥 ∈ 𝐴 ↔ 𝜑)) |
| 4 | 3 | mptru 1576 | 1 ⊢ (𝑥 ∈ 𝐴 ↔ 𝜑) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 = wceq 1569 ⊤wtru 1570 ∈ wcel 2144 {cab 2738 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-12 2212 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 |
| This theorem is used by: eqabcri 2903 rabid 3432 csbcow 3861 csbco 3862 csbgfi 3866 csbnestgfw 4379 csbnestgf 4384 relopabi 5799 cnv0OLD 5861 funcnv3 6611 opabiota 6968 zfrep6OLD 7968 frrlem2 8309 frrlem3 8310 frrlem4 8311 frrlem8 8315 fprresex 8332 tfrlem4 8390 tfrlem8 8396 tfrlem9 8397 ixpn0 8962 sbthlem1 9110 dffi3 9427 setinds 9754 1idpr 11118 ltexprlem1 11125 ltexprlem2 11126 ltexprlem3 11127 ltexprlem4 11128 ltexprlem6 11130 ltexprlem7 11131 reclem2pr 11137 reclem3pr 11138 reclem4pr 11139 supsrlem 11200 dissnref 23853 dissnlocfin 23854 txbas 23892 xkoccn 23944 xkoptsub 23979 xkoco1cn 23982 xkoco2cn 23983 xkoinjcn 24012 mbfi1fseqlem4 26045 avril1 31070 rnmposs 33315 bnj1436 35516 bnj916 35610 bnj983 35628 bnj1083 35655 bnj1245 35691 bnj1311 35701 bnj1371 35706 bnj1398 35711 tz9.1regs 35859 bj-elsngl 37974 bj-projun 38000 bj-projval 38002 f1omptsnlem 38353 icoreresf 38369 finxp0 38408 finxp1o 38409 finxpsuclem 38414 dfproplem 38735 sdclem1 38771 csbcom2fi 39154 ralrnmo 39387 raldmqsmo 39389 rr-grothshortbi 45381 modelaxreplem3 46064 |
| Copyright terms: Public domain | W3C validator |