| Metamath Proof Explorer |
< Previous
Next >
Related theorems Unicode version |
| Description: Simplification law for restriction. |
| Ref | Expression |
|---|---|
| relssres |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm3.26 256 |
. . . 4
| |
| 2 | ssel 1502 |
. . . . . . . 8
| |
| 3 | visset 1350 |
. . . . . . . . 9
| |
| 4 | 3 | opeldm 2534 |
. . . . . . . 8
|
| 5 | 2, 4 | syl5 22 |
. . . . . . 7
|
| 6 | 5 | ancld 246 |
. . . . . 6
|
| 7 | visset 1350 |
. . . . . . 7
| |
| 8 | 7 | opelres 2579 |
. . . . . 6
|
| 9 | 6, 8 | syl6ibr 186 |
. . . . 5
|
| 10 | 9 | adantl 305 |
. . . 4
|
| 11 | 1, 10 | relssdv 2482 |
. . 3
|
| 12 | resss 2587 |
. . 3
| |
| 13 | 11, 12 | jctil 240 |
. 2
|
| 14 | eqss 1516 |
. 2
| |
| 15 | 13, 14 | sylibr 175 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: resid 2601 fnresdm 2731 tz7.48-2 2995 zornlem4 3606 fac0 4871 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-10 800 ax-11 801 ax-12 802 ax-13 804 ax-14 805 ax-16 922 ax-17 925 ax-ext 1074 ax-rep 1075 ax-pow 1077 |
| This theorem depends on definitions: df-bi 128 df-or 197 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 df-dif 1489 df-un 1490 df-in 1491 df-ss 1492 df-nul 1708 df-pw 1799 df-sn 1811 df-pr 1812 df-op 1815 df-br 2063 df-opab 2098 df-xp 2424 df-rel 2425 df-dm 2428 df-res 2430 |