| 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 3353 |
. . . . 5
| |
| 2 | 1 | eleq1d 1516 |
. . . 4
|
| 3 | 2 | imbi2d 610 |
. . 3
|
| 4 | dffun5 3470 |
. . . . 5
| |
| 5 | 4 | pm3.27bi 326 |
. . . 4
|
| 6 | ax-17 1190 |
. . . . . 6
| |
| 7 | 6 | axrep4 2665 |
. . . . 5
|
| 8 | isset 1789 |
. . . . . 6
| |
| 9 | dfima3 3357 |
. . . . . . . . 9
| |
| 10 | 9 | eqeq2i 1461 |
. . . . . . . 8
|
| 11 | abeq2 1544 |
. . . . . . . 8
| |
| 12 | 10, 11 | bitr 173 |
. . . . . . 7
|
| 13 | 12 | exbii 1027 |
. . . . . 6
|
| 14 | 8, 13 | bitr 173 |
. . . . 5
|
| 15 | 7, 14 | sylibr 200 |
. . . 4
|
| 16 | 5, 15 | syl 10 |
. . 3
|
| 17 | 3, 16 | vtoclg 1822 |
. 2
|
| 18 | 17 | impcom 351 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: funimaex 3516 resfunexg 3519 fnex 3547 carduniima 4813 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-4 951 ax-5 952 ax-6 953 ax-7 954 ax-gen 955 ax-8 1101 ax-9 1102 ax-10 1103 ax-12 1104 ax-13 1107 ax-14 1108 ax-11 1180 ax-17 1190 ax-16 1194 ax-11o 1202 ax-ext 1436 ax-rep 2661 ax-sep 2671 ax-nul 2678 ax-pow 2710 ax-pr 2747 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 957 df-sb 1155 df-eu 1359 df-mo 1360 df-clab 1441 df-cleq 1446 df-clel 1449 df-ne 1563 df-rex 1626 df-v 1787 df-dif 2020 df-un 2021 df-in 2022 df-ss 2024 df-nul 2252 df-pw 2373 df-sn 2383 df-pr 2384 df-op 2387 df-br 2588 df-opab 2635 df-id 2797 df-xp 3147 df-cnv 3149 df-co 3150 df-dm 3151 df-rn 3152 df-res 3153 df-ima 3154 df-fun 3155 |