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Mirrors > Home > MPE Home > Th. List > symgfix2 | Structured version Visualization version Unicode version |
Description: If a permutation does not move a certain element of a set to a second element, there is a third element which is moved to the second element. (Contributed by AV, 2-Jan-2019.) |
Ref | Expression |
---|---|
symgfix2.p |
Ref | Expression |
---|---|
symgfix2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eldif 3584 | . . 3 | |
2 | ianor 509 | . . . . 5 | |
3 | fveq1 6190 | . . . . . . 7 | |
4 | 3 | eqeq1d 2624 | . . . . . 6 |
5 | 4 | elrab 3363 | . . . . 5 |
6 | 2, 5 | xchnxbir 323 | . . . 4 |
7 | 6 | anbi2i 730 | . . 3 |
8 | 1, 7 | bitri 264 | . 2 |
9 | pm2.21 120 | . . . . 5 | |
10 | symgfix2.p | . . . . . . 7 | |
11 | 10 | symgmov2 17813 | . . . . . 6 |
12 | eqeq2 2633 | . . . . . . . . . . 11 | |
13 | 12 | rexbidv 3052 | . . . . . . . . . 10 |
14 | 13 | rspcva 3307 | . . . . . . . . 9 |
15 | eqeq2 2633 | . . . . . . . . . . . . . . . 16 | |
16 | 15 | eqcoms 2630 | . . . . . . . . . . . . . . 15 |
17 | 16 | notbid 308 | . . . . . . . . . . . . . 14 |
18 | fveq2 6191 | . . . . . . . . . . . . . . . 16 | |
19 | 18 | eqcoms 2630 | . . . . . . . . . . . . . . 15 |
20 | 19 | necon3bi 2820 | . . . . . . . . . . . . . 14 |
21 | 17, 20 | syl6bi 243 | . . . . . . . . . . . . 13 |
22 | 21 | com12 32 | . . . . . . . . . . . 12 |
23 | 22 | pm4.71rd 667 | . . . . . . . . . . 11 |
24 | 23 | rexbidv 3052 | . . . . . . . . . 10 |
25 | rexdifsn 4323 | . . . . . . . . . 10 | |
26 | 24, 25 | syl6bbr 278 | . . . . . . . . 9 |
27 | 14, 26 | syl5ibcom 235 | . . . . . . . 8 |
28 | 27 | ex 450 | . . . . . . 7 |
29 | 28 | com13 88 | . . . . . 6 |
30 | 11, 29 | syl5 34 | . . . . 5 |
31 | 9, 30 | jaoi 394 | . . . 4 |
32 | 31 | com13 88 | . . 3 |
33 | 32 | impd 447 | . 2 |
34 | 8, 33 | syl5bi 232 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wo 383 wa 384 wceq 1483 wcel 1990 wne 2794 wral 2912 wrex 2913 crab 2916 cdif 3571 csn 4177 cfv 5888 cbs 15857 csymg 17797 |
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-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 ax-cnex 9992 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rnegex 10007 ax-rrecex 10008 ax-cnre 10009 ax-pre-lttri 10010 ax-pre-lttrn 10011 ax-pre-ltadd 10012 ax-pre-mulgt0 10013 |
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-nel 2898 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-int 4476 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-riota 6611 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-om 7066 df-1st 7168 df-2nd 7169 df-wrecs 7407 df-recs 7468 df-rdg 7506 df-1o 7560 df-oadd 7564 df-er 7742 df-map 7859 df-en 7956 df-dom 7957 df-sdom 7958 df-fin 7959 df-pnf 10076 df-mnf 10077 df-xr 10078 df-ltxr 10079 df-le 10080 df-sub 10268 df-neg 10269 df-nn 11021 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 df-n0 11293 df-z 11378 df-uz 11688 df-fz 12327 df-struct 15859 df-ndx 15860 df-slot 15861 df-base 15863 df-plusg 15954 df-tset 15960 df-symg 17798 |
This theorem is referenced by: (None) |
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