| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Axiom of Replacement using abbreviations. Axiom 39(vi) of [Quine] p. 284. Compare Exercise 9 of [TakeutiZaring] p. 29. |
| Ref | Expression |
|---|---|
| funimaexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | imaeq2 3402 |
. . . . 5
| |
| 2 | 1 | eleq1d 1540 |
. . . 4
|
| 3 | 2 | imbi2d 612 |
. . 3
|
| 4 | dffun5 3529 |
. . . . 5
| |
| 5 | 4 | pm3.27bi 326 |
. . . 4
|
| 6 | ax-17 971 |
. . . . . 6
| |
| 7 | 6 | axrep4 2697 |
. . . . 5
|
| 8 | isset 1814 |
. . . . . 6
| |
| 9 | dfima3 3406 |
. . . . . . . . 9
| |
| 10 | 9 | eqeq2i 1485 |
. . . . . . . 8
|
| 11 | abeq2 1568 |
. . . . . . . 8
| |
| 12 | 10, 11 | bitr 173 |
. . . . . . 7
|
| 13 | 12 | exbii 1051 |
. . . . . 6
|
| 14 | 8, 13 | bitr 173 |
. . . . 5
|
| 15 | 7, 14 | sylibr 200 |
. . . 4
|
| 16 | 5, 15 | syl 10 |
. . 3
|
| 17 | 3, 16 | vtoclg 1847 |
. 2
|
| 18 | 17 | impcom 351 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: funimaex 3576 resfunexg 3579 fnex 3607 carduniima 4890 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-pow 2742 ax-pr 2779 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-rex 1650 df-v 1812 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-pw 2402 df-sn 2412 df-pr 2413 df-op 2416 df-br 2620 df-opab 2667 df-id 2835 df-xp 3184 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 |