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| Mirrors > Home > ILE Home > Th. List > suppssfvg | Unicode version | ||
| Description: Formula building theorem for support restriction, on a function which preserves zero. (Contributed by Stefan O'Rear, 9-Mar-2015.) (Revised by AV, 28-May-2019.) |
| Ref | Expression |
|---|---|
| suppssfv.a |
|
| suppssfv.f |
|
| suppssfv.v |
|
| suppssfv.y |
|
| suppssfvg.d |
|
| Ref | Expression |
|---|---|
| suppssfvg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | suppssfvg.d |
. . . . . . 7
| |
| 2 | 1 | adantr 276 |
. . . . . 6
|
| 3 | 2 | elexd 2835 |
. . . . 5
|
| 4 | df-supp 6470 |
. . . . . . 7
| |
| 5 | 4 | elmpocl2 6280 |
. . . . . 6
|
| 6 | 5 | adantl 277 |
. . . . 5
|
| 7 | simpl 109 |
. . . . 5
| |
| 8 | eldifsni 3841 |
. . . . . . . . 9
| |
| 9 | suppssfv.v |
. . . . . . . . . . . . 13
| |
| 10 | 9 | elexd 2835 |
. . . . . . . . . . . 12
|
| 11 | 10 | ad4ant23 519 |
. . . . . . . . . . 11
|
| 12 | suppssfv.f |
. . . . . . . . . . . . . . 15
| |
| 13 | fveqeq2 5702 |
. . . . . . . . . . . . . . 15
| |
| 14 | 12, 13 | syl5ibrcom 157 |
. . . . . . . . . . . . . 14
|
| 15 | 14 | necon3d 2464 |
. . . . . . . . . . . . 13
|
| 16 | 15 | ad2antlr 493 |
. . . . . . . . . . . 12
|
| 17 | 16 | imp 124 |
. . . . . . . . . . 11
|
| 18 | eldifsn 3839 |
. . . . . . . . . . 11
| |
| 19 | 11, 17, 18 | sylanbrc 421 |
. . . . . . . . . 10
|
| 20 | 19 | ex 115 |
. . . . . . . . 9
|
| 21 | 8, 20 | syl5 32 |
. . . . . . . 8
|
| 22 | 21 | ss2rabdv 3329 |
. . . . . . 7
|
| 23 | eqid 2238 |
. . . . . . . 8
| |
| 24 | simpll 531 |
. . . . . . . 8
| |
| 25 | simplr 533 |
. . . . . . . 8
| |
| 26 | 23, 24, 25 | mptsuppdifd 6489 |
. . . . . . 7
|
| 27 | eqid 2238 |
. . . . . . . 8
| |
| 28 | suppssfv.y |
. . . . . . . . 9
| |
| 29 | 28 | adantl 277 |
. . . . . . . 8
|
| 30 | 27, 24, 29 | mptsuppdifd 6489 |
. . . . . . 7
|
| 31 | 22, 26, 30 | 3sstr4d 3293 |
. . . . . 6
|
| 32 | suppssfv.a |
. . . . . . 7
| |
| 33 | 32 | adantl 277 |
. . . . . 6
|
| 34 | 31, 33 | sstrd 3258 |
. . . . 5
|
| 35 | 3, 6, 7, 34 | syl21anc 1277 |
. . . 4
|
| 36 | simpr 110 |
. . . 4
| |
| 37 | 35, 36 | sseldd 3249 |
. . 3
|
| 38 | 37 | ex 115 |
. 2
|
| 39 | 38 | ssrdv 3254 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 ax-setind 4682 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 df-ov 6082 df-oprab 6083 df-mpo 6084 df-supp 6470 |
| This theorem is referenced by: (None) |
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