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Description: Lemma for pgpfac1 . (Contributed by Mario Carneiro, 27-Apr-2016)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | pgpfac1.k | |- K = ( mrCls ` ( SubGrp ` G ) ) |
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| pgpfac1.s | |- S = ( K ` { A } ) |
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| pgpfac1.b | |- B = ( Base ` G ) |
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| pgpfac1.o | |- O = ( od ` G ) |
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| pgpfac1.e | |- E = ( gEx ` G ) |
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| pgpfac1.z | |- .0. = ( 0g ` G ) |
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| pgpfac1.l | |- .(+) = ( LSSum ` G ) |
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| pgpfac1.p | |- ( ph -> P pGrp G ) |
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| pgpfac1.g | |- ( ph -> G e. Abel ) |
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| pgpfac1.n | |- ( ph -> B e. Fin ) |
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| pgpfac1.oe | |- ( ph -> ( O ` A ) = E ) |
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| pgpfac1.u | |- ( ph -> U e. ( SubGrp ` G ) ) |
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| pgpfac1.au | |- ( ph -> A e. U ) |
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| pgpfac1.w | |- ( ph -> W e. ( SubGrp ` G ) ) |
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| pgpfac1.i | |- ( ph -> ( S i^i W ) = { .0. } ) |
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| pgpfac1.ss | |- ( ph -> ( S .(+) W ) C_ U ) |
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| pgpfac1.2 | |- ( ph -> A. w e. ( SubGrp ` G ) ( ( w C. U /\ A e. w ) -> -. ( S .(+) W ) C. w ) ) |
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| pgpfac1.c | |- ( ph -> C e. ( U \ ( S .(+) W ) ) ) |
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| pgpfac1.mg | |- .x. = ( .g ` G ) |
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| Assertion | pgpfac1lem4 | |- ( ph -> E. t e. ( SubGrp ` G ) ( ( S i^i t ) = { .0. } /\ ( S .(+) t ) = U ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pgpfac1.k | |- K = ( mrCls ` ( SubGrp ` G ) ) |
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| 2 | pgpfac1.s | |- S = ( K ` { A } ) |
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| 3 | pgpfac1.b | |- B = ( Base ` G ) |
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| 4 | pgpfac1.o | |- O = ( od ` G ) |
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| 5 | pgpfac1.e | |- E = ( gEx ` G ) |
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| 6 | pgpfac1.z | |- .0. = ( 0g ` G ) |
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| 7 | pgpfac1.l | |- .(+) = ( LSSum ` G ) |
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| 8 | pgpfac1.p | |- ( ph -> P pGrp G ) |
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| 9 | pgpfac1.g | |- ( ph -> G e. Abel ) |
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| 10 | pgpfac1.n | |- ( ph -> B e. Fin ) |
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| 11 | pgpfac1.oe | |- ( ph -> ( O ` A ) = E ) |
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| 12 | pgpfac1.u | |- ( ph -> U e. ( SubGrp ` G ) ) |
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| 13 | pgpfac1.au | |- ( ph -> A e. U ) |
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| 14 | pgpfac1.w | |- ( ph -> W e. ( SubGrp ` G ) ) |
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| 15 | pgpfac1.i | |- ( ph -> ( S i^i W ) = { .0. } ) |
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| 16 | pgpfac1.ss | |- ( ph -> ( S .(+) W ) C_ U ) |
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| 17 | pgpfac1.2 | |- ( ph -> A. w e. ( SubGrp ` G ) ( ( w C. U /\ A e. w ) -> -. ( S .(+) W ) C. w ) ) |
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| 18 | pgpfac1.c | |- ( ph -> C e. ( U \ ( S .(+) W ) ) ) |
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| 19 | pgpfac1.mg | |- .x. = ( .g ` G ) |
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| 20 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | pgpfac1lem2 | |- ( ph -> ( P .x. C ) e. ( S .(+) W ) ) |
| 21 | ablgrp | |- ( G e. Abel -> G e. Grp ) |
|
| 22 | 9 21 | syl | |- ( ph -> G e. Grp ) |
| 23 | 3 | subgacs | |- ( G e. Grp -> ( SubGrp ` G ) e. ( ACS ` B ) ) |
| 24 | acsmre | |- ( ( SubGrp ` G ) e. ( ACS ` B ) -> ( SubGrp ` G ) e. ( Moore ` B ) ) |
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| 25 | 22 23 24 | 3syl | |- ( ph -> ( SubGrp ` G ) e. ( Moore ` B ) ) |
| 26 | 3 | subgss | |- ( U e. ( SubGrp ` G ) -> U C_ B ) |
| 27 | 12 26 | syl | |- ( ph -> U C_ B ) |
| 28 | 27 13 | sseldd | |- ( ph -> A e. B ) |
| 29 | 1 | mrcsncl | |- ( ( ( SubGrp ` G ) e. ( Moore ` B ) /\ A e. B ) -> ( K ` { A } ) e. ( SubGrp ` G ) ) |
| 30 | 25 28 29 | syl2anc | |- ( ph -> ( K ` { A } ) e. ( SubGrp ` G ) ) |
| 31 | 2 30 | eqeltrid | |- ( ph -> S e. ( SubGrp ` G ) ) |
| 32 | 7 | lsmcom | |- ( ( G e. Abel /\ S e. ( SubGrp ` G ) /\ W e. ( SubGrp ` G ) ) -> ( S .(+) W ) = ( W .(+) S ) ) |
| 33 | 9 31 14 32 | syl3anc | |- ( ph -> ( S .(+) W ) = ( W .(+) S ) ) |
| 34 | 20 33 | eleqtrd | |- ( ph -> ( P .x. C ) e. ( W .(+) S ) ) |
| 35 | eqid | |- ( -g ` G ) = ( -g ` G ) |
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| 36 | 35 7 14 31 | lsmelvalm | |- ( ph -> ( ( P .x. C ) e. ( W .(+) S ) <-> E. w e. W E. s e. S ( P .x. C ) = ( w ( -g ` G ) s ) ) ) |
| 37 | 34 36 | mpbid | |- ( ph -> E. w e. W E. s e. S ( P .x. C ) = ( w ( -g ` G ) s ) ) |
| 38 | eqid | |- ( k e. ZZ |-> ( k .x. A ) ) = ( k e. ZZ |-> ( k .x. A ) ) |
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| 39 | 3 19 38 1 | cycsubg2 | |- ( ( G e. Grp /\ A e. B ) -> ( K ` { A } ) = ran ( k e. ZZ |-> ( k .x. A ) ) ) |
| 40 | 22 28 39 | syl2anc | |- ( ph -> ( K ` { A } ) = ran ( k e. ZZ |-> ( k .x. A ) ) ) |
| 41 | 2 40 | eqtrid | |- ( ph -> S = ran ( k e. ZZ |-> ( k .x. A ) ) ) |
| 42 | 41 | rexeqdv | |- ( ph -> ( E. s e. S ( P .x. C ) = ( w ( -g ` G ) s ) <-> E. s e. ran ( k e. ZZ |-> ( k .x. A ) ) ( P .x. C ) = ( w ( -g ` G ) s ) ) ) |
| 43 | ovex | |- ( k .x. A ) e. _V |
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| 44 | 43 | rgenw | |- A. k e. ZZ ( k .x. A ) e. _V |
| 45 | oveq2 | |- ( s = ( k .x. A ) -> ( w ( -g ` G ) s ) = ( w ( -g ` G ) ( k .x. A ) ) ) |
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| 46 | 45 | eqeq2d | |- ( s = ( k .x. A ) -> ( ( P .x. C ) = ( w ( -g ` G ) s ) <-> ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) ) |
| 47 | 38 46 | rexrnmptw | |- ( A. k e. ZZ ( k .x. A ) e. _V -> ( E. s e. ran ( k e. ZZ |-> ( k .x. A ) ) ( P .x. C ) = ( w ( -g ` G ) s ) <-> E. k e. ZZ ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) ) |
| 48 | 44 47 | ax-mp | |- ( E. s e. ran ( k e. ZZ |-> ( k .x. A ) ) ( P .x. C ) = ( w ( -g ` G ) s ) <-> E. k e. ZZ ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) |
| 49 | 42 48 | bitrdi | |- ( ph -> ( E. s e. S ( P .x. C ) = ( w ( -g ` G ) s ) <-> E. k e. ZZ ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) ) |
| 50 | 49 | rexbidv | |- ( ph -> ( E. w e. W E. s e. S ( P .x. C ) = ( w ( -g ` G ) s ) <-> E. w e. W E. k e. ZZ ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) ) |
| 51 | 37 50 | mpbid | |- ( ph -> E. w e. W E. k e. ZZ ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) |
| 52 | rexcom | |- ( E. w e. W E. k e. ZZ ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) <-> E. k e. ZZ E. w e. W ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) |
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| 53 | 51 52 | sylib | |- ( ph -> E. k e. ZZ E. w e. W ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) ) |
| 54 | 22 | ad2antrr | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> G e. Grp ) |
| 55 | 3 | subgss | |- ( W e. ( SubGrp ` G ) -> W C_ B ) |
| 56 | 14 55 | syl | |- ( ph -> W C_ B ) |
| 57 | 56 | adantr | |- ( ( ph /\ k e. ZZ ) -> W C_ B ) |
| 58 | 57 | sselda | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> w e. B ) |
| 59 | simplr | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> k e. ZZ ) |
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| 60 | 28 | ad2antrr | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> A e. B ) |
| 61 | 3 19 | mulgcl | |- ( ( G e. Grp /\ k e. ZZ /\ A e. B ) -> ( k .x. A ) e. B ) |
| 62 | 54 59 60 61 | syl3anc | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> ( k .x. A ) e. B ) |
| 63 | pgpprm | |- ( P pGrp G -> P e. Prime ) |
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| 64 | prmz | |- ( P e. Prime -> P e. ZZ ) |
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| 65 | 8 63 64 | 3syl | |- ( ph -> P e. ZZ ) |
| 66 | 18 | eldifad | |- ( ph -> C e. U ) |
| 67 | 27 66 | sseldd | |- ( ph -> C e. B ) |
| 68 | 3 19 | mulgcl | |- ( ( G e. Grp /\ P e. ZZ /\ C e. B ) -> ( P .x. C ) e. B ) |
| 69 | 22 65 67 68 | syl3anc | |- ( ph -> ( P .x. C ) e. B ) |
| 70 | 69 | ad2antrr | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> ( P .x. C ) e. B ) |
| 71 | eqid | |- ( +g ` G ) = ( +g ` G ) |
|
| 72 | 3 71 35 | grpsubadd | |- ( ( G e. Grp /\ ( w e. B /\ ( k .x. A ) e. B /\ ( P .x. C ) e. B ) ) -> ( ( w ( -g ` G ) ( k .x. A ) ) = ( P .x. C ) <-> ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) = w ) ) |
| 73 | 54 58 62 70 72 | syl13anc | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> ( ( w ( -g ` G ) ( k .x. A ) ) = ( P .x. C ) <-> ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) = w ) ) |
| 74 | eqcom | |- ( ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) <-> ( w ( -g ` G ) ( k .x. A ) ) = ( P .x. C ) ) |
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| 75 | eqcom | |- ( w = ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) <-> ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) = w ) |
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| 76 | 73 74 75 | 3bitr4g | |- ( ( ( ph /\ k e. ZZ ) /\ w e. W ) -> ( ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) <-> w = ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) ) ) |
| 77 | 76 | rexbidva | |- ( ( ph /\ k e. ZZ ) -> ( E. w e. W ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) <-> E. w e. W w = ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) ) ) |
| 78 | risset | |- ( ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W <-> E. w e. W w = ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) ) |
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| 79 | 77 78 | bitr4di | |- ( ( ph /\ k e. ZZ ) -> ( E. w e. W ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) <-> ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) |
| 80 | 79 | rexbidva | |- ( ph -> ( E. k e. ZZ E. w e. W ( P .x. C ) = ( w ( -g ` G ) ( k .x. A ) ) <-> E. k e. ZZ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) |
| 81 | 53 80 | mpbid | |- ( ph -> E. k e. ZZ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) |
| 82 | 8 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> P pGrp G ) |
| 83 | 9 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> G e. Abel ) |
| 84 | 10 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> B e. Fin ) |
| 85 | 11 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> ( O ` A ) = E ) |
| 86 | 12 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> U e. ( SubGrp ` G ) ) |
| 87 | 13 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> A e. U ) |
| 88 | 14 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> W e. ( SubGrp ` G ) ) |
| 89 | 15 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> ( S i^i W ) = { .0. } ) |
| 90 | 16 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> ( S .(+) W ) C_ U ) |
| 91 | 17 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> A. w e. ( SubGrp ` G ) ( ( w C. U /\ A e. w ) -> -. ( S .(+) W ) C. w ) ) |
| 92 | 18 | adantr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> C e. ( U \ ( S .(+) W ) ) ) |
| 93 | simprl | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> k e. ZZ ) |
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| 94 | simprr | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) |
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| 95 | eqid | |- ( C ( +g ` G ) ( ( k / P ) .x. A ) ) = ( C ( +g ` G ) ( ( k / P ) .x. A ) ) |
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| 96 | 1 2 3 4 5 6 7 82 83 84 85 86 87 88 89 90 91 92 19 93 94 95 | pgpfac1lem3 | |- ( ( ph /\ ( k e. ZZ /\ ( ( P .x. C ) ( +g ` G ) ( k .x. A ) ) e. W ) ) -> E. t e. ( SubGrp ` G ) ( ( S i^i t ) = { .0. } /\ ( S .(+) t ) = U ) ) |
| 97 | 81 96 | rexlimddv | |- ( ph -> E. t e. ( SubGrp ` G ) ( ( S i^i t ) = { .0. } /\ ( S .(+) t ) = U ) ) |