| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Value of a function given by an ordered-pair class abstraction. |
| Ref | Expression |
|---|---|
| fvopab2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 1810 |
. . 3
| |
| 2 | ax-17 968 |
. . . . 5
| |
| 3 | hbopab2 2803 |
. . . . . . 7
| |
| 4 | ax-17 968 |
. . . . . . 7
| |
| 5 | 3, 4 | hbfv 3714 |
. . . . . 6
|
| 6 | ax-17 968 |
. . . . . 6
| |
| 7 | 5, 6 | hbeq 1557 |
. . . . 5
|
| 8 | 2, 7 | hbim 1004 |
. . . 4
|
| 9 | visset 1804 |
. . . . . . . 8
| |
| 10 | eleq1 1526 |
. . . . . . . 8
| |
| 11 | 9, 10 | mpbii 193 |
. . . . . . 7
|
| 12 | 3 | tz6.12f 3723 |
. . . . . . . . . . 11
|
| 13 | opabid 2799 |
. . . . . . . . . . 11
| |
| 14 | 12, 13 | sylanbr 450 |
. . . . . . . . . 10
|
| 15 | euanv 1425 |
. . . . . . . . . . 11
| |
| 16 | 13 | eubii 1380 |
. . . . . . . . . . 11
|
| 17 | eueq 1907 |
. . . . . . . . . . . 12
| |
| 18 | 17 | anbi2i 479 |
. . . . . . . . . . 11
|
| 19 | 15, 16, 18 | 3bitr4r 184 |
. . . . . . . . . 10
|
| 20 | 14, 19 | sylan2b 452 |
. . . . . . . . 9
|
| 21 | 20 | exp43 384 |
. . . . . . . 8
|
| 22 | 21 | pm2.43a 66 |
. . . . . . 7
|
| 23 | 11, 22 | mpdi 48 |
. . . . . 6
|
| 24 | 23 | com12 11 |
. . . . 5
|
| 25 | eqeq2 1476 |
. . . . 5
| |
| 26 | 24, 25 | sylibd 202 |
. . . 4
|
| 27 | 8, 26 | 19.23ai 1060 |
. . 3
|
| 28 | 1, 27 | syl 10 |
. 2
|
| 29 | 28 | impcom 351 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: elrnopabg 3785 fopab2 3808 rnssopab 3810 fopabco 3817 fopabsn 3825 abrexexlem2 3844 dom2d 4385 pw2en 4426 mapxpen 4475 xpmapenlem2 4477 xpmapenlem4 4479 xpmapenlem5 4480 ac6lem 4726 iundom 4784 sumeqfv 6935 serzfsum 6942 fsum1 6943 fsump1 6944 isumval2t 7130 isumclim3t 7135 isumcmpi 7150 geoisum1c 7180 fsumcnlem 7923 cnlnadjlem5 9919 fvopab2a 10359 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 959 ax-gen 960 ax-8 961 ax-9 962 ax-10 963 ax-11 964 ax-12 965 ax-13 966 ax-14 967 ax-17 968 ax-4 970 ax-5o 972 ax-6o 975 ax-9o 1119 ax-10o 1136 ax-16 1206 ax-11o 1213 ax-ext 1452 ax-sep 2693 ax-pow 2732 ax-pr 2769 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-ex 978 df-sb 1168 df-eu 1375 df-mo 1376 df-clab 1457 df-cleq 1462 df-clel 1465 df-ne 1579 df-rex 1642 df-v 1803 df-dif 2039 df-un 2040 df-in 2041 df-ss 2043 df-nul 2271 df-pw 2392 df-sn 2402 df-pr 2403 df-op 2406 df-uni 2494 df-br 2610 df-opab 2657 df-xp 3174 df-cnv 3176 df-dm 3178 df-rn 3179 df-res 3180 df-ima 3181 df-fv 3188 |