Mathbox for Scott Fenton |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > Mathboxes > setinds | Structured version Visualization version Unicode version |
Description: Principle of induction (set induction). If a property passes from all elements of to itself, then it holds for all . (Contributed by Scott Fenton, 10-Mar-2011.) |
Ref | Expression |
---|---|
setinds.1 |
Ref | Expression |
---|---|
setinds |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | vex 3203 | . 2 | |
2 | setind 8610 | . . . . 5 | |
3 | dfss3 3592 | . . . . . . 7 | |
4 | df-sbc 3436 | . . . . . . . . 9 | |
5 | 4 | ralbii 2980 | . . . . . . . 8 |
6 | nfcv 2764 | . . . . . . . . . . 11 | |
7 | nfsbc1v 3455 | . . . . . . . . . . 11 | |
8 | 6, 7 | nfral 2945 | . . . . . . . . . 10 |
9 | nfsbc1v 3455 | . . . . . . . . . 10 | |
10 | 8, 9 | nfim 1825 | . . . . . . . . 9 |
11 | raleq 3138 | . . . . . . . . . 10 | |
12 | sbceq1a 3446 | . . . . . . . . . 10 | |
13 | 11, 12 | imbi12d 334 | . . . . . . . . 9 |
14 | setinds.1 | . . . . . . . . 9 | |
15 | 10, 13, 14 | chvar 2262 | . . . . . . . 8 |
16 | 5, 15 | sylbir 225 | . . . . . . 7 |
17 | 3, 16 | sylbi 207 | . . . . . 6 |
18 | df-sbc 3436 | . . . . . 6 | |
19 | 17, 18 | sylib 208 | . . . . 5 |
20 | 2, 19 | mpg 1724 | . . . 4 |
21 | 20 | eqcomi 2631 | . . 3 |
22 | 21 | abeq2i 2735 | . 2 |
23 | 1, 22 | mpbi 220 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wceq 1483 wcel 1990 cab 2608 wral 2912 cvv 3200 wsbc 3435 wss 3574 |
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 ax-reg 8497 ax-inf2 8538 |
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-pred 5680 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-om 7066 df-wrecs 7407 df-recs 7468 df-rdg 7506 |
This theorem is referenced by: setinds2f 31684 |
Copyright terms: Public domain | W3C validator |