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Mirrors > Home > MPE Home > Th. List > restfpw | Structured version Visualization version Unicode version |
Description: The restriction of the set of finite subsets of is the set of finite subsets of . (Contributed by Mario Carneiro, 18-Sep-2015.) |
Ref | Expression |
---|---|
restfpw | ↾t |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pwexg 4850 | . . . . . 6 | |
2 | 1 | adantr 481 | . . . . 5 |
3 | inex1g 4801 | . . . . 5 | |
4 | 2, 3 | syl 17 | . . . 4 |
5 | ssexg 4804 | . . . . 5 | |
6 | 5 | ancoms 469 | . . . 4 |
7 | restval 16087 | . . . 4 ↾t | |
8 | 4, 6, 7 | syl2anc 693 | . . 3 ↾t |
9 | inss2 3834 | . . . . . . 7 | |
10 | 9 | a1i 11 | . . . . . 6 |
11 | elfpw 8268 | . . . . . . . . 9 | |
12 | 11 | simprbi 480 | . . . . . . . 8 |
13 | 12 | adantl 482 | . . . . . . 7 |
14 | inss1 3833 | . . . . . . 7 | |
15 | ssfi 8180 | . . . . . . 7 | |
16 | 13, 14, 15 | sylancl 694 | . . . . . 6 |
17 | elfpw 8268 | . . . . . 6 | |
18 | 10, 16, 17 | sylanbrc 698 | . . . . 5 |
19 | eqid 2622 | . . . . 5 | |
20 | 18, 19 | fmptd 6385 | . . . 4 |
21 | frn 6053 | . . . 4 | |
22 | 20, 21 | syl 17 | . . 3 |
23 | 8, 22 | eqsstrd 3639 | . 2 ↾t |
24 | elfpw 8268 | . . . . . . . 8 | |
25 | 24 | simplbi 476 | . . . . . . 7 |
26 | 25 | adantl 482 | . . . . . 6 |
27 | df-ss 3588 | . . . . . 6 | |
28 | 26, 27 | sylib 208 | . . . . 5 |
29 | 4 | adantr 481 | . . . . . 6 |
30 | 6 | adantr 481 | . . . . . 6 |
31 | simplr 792 | . . . . . . . 8 | |
32 | 26, 31 | sstrd 3613 | . . . . . . 7 |
33 | 24 | simprbi 480 | . . . . . . . 8 |
34 | 33 | adantl 482 | . . . . . . 7 |
35 | 32, 34, 11 | sylanbrc 698 | . . . . . 6 |
36 | elrestr 16089 | . . . . . 6 ↾t | |
37 | 29, 30, 35, 36 | syl3anc 1326 | . . . . 5 ↾t |
38 | 28, 37 | eqeltrrd 2702 | . . . 4 ↾t |
39 | 38 | ex 450 | . . 3 ↾t |
40 | 39 | ssrdv 3609 | . 2 ↾t |
41 | 23, 40 | eqssd 3620 | 1 ↾t |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wa 384 wceq 1483 wcel 1990 cvv 3200 cin 3573 wss 3574 cpw 4158 cmpt 4729 crn 5115 wf 5884 (class class class)co 6650 cfn 7955 ↾t crest 16081 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-rep 4771 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3or 1038 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-reu 2919 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-er 7742 df-en 7956 df-fin 7959 df-rest 16083 |
This theorem is referenced by: (None) |
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