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Description: The sum of a number within a half-open range of positive integers is an element of the corresponding open range of nonnegative integers with one excluded integer modulo the excluded integer. (Contributed by AV, 19-Mar-2021)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | modsumfzodifsn | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) mod N ) e. ( ( 0 ..^ N ) \ { J } ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elfzo0 | |- ( J e. ( 0 ..^ N ) <-> ( J e. NN0 /\ N e. NN /\ J < N ) ) |
|
| 2 | elfzoelz | |- ( K e. ( 1 ..^ N ) -> K e. ZZ ) |
|
| 3 | 2 | zred | |- ( K e. ( 1 ..^ N ) -> K e. RR ) |
| 4 | nn0re | |- ( J e. NN0 -> J e. RR ) |
|
| 5 | 4 | 3ad2ant1 | |- ( ( J e. NN0 /\ N e. NN /\ J < N ) -> J e. RR ) |
| 6 | readdcl | |- ( ( K e. RR /\ J e. RR ) -> ( K + J ) e. RR ) |
|
| 7 | 3 5 6 | syl2anr | |- ( ( ( J e. NN0 /\ N e. NN /\ J < N ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) e. RR ) |
| 8 | nnrp | |- ( N e. NN -> N e. RR+ ) |
|
| 9 | 8 | 3ad2ant2 | |- ( ( J e. NN0 /\ N e. NN /\ J < N ) -> N e. RR+ ) |
| 10 | 9 | adantr | |- ( ( ( J e. NN0 /\ N e. NN /\ J < N ) /\ K e. ( 1 ..^ N ) ) -> N e. RR+ ) |
| 11 | 7 10 | jca | |- ( ( ( J e. NN0 /\ N e. NN /\ J < N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) e. RR /\ N e. RR+ ) ) |
| 12 | 1 11 | sylanb | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) e. RR /\ N e. RR+ ) ) |
| 13 | 12 | adantl | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) e. RR /\ N e. RR+ ) ) |
| 14 | elfzo1 | |- ( K e. ( 1 ..^ N ) <-> ( K e. NN /\ N e. NN /\ K < N ) ) |
|
| 15 | nnnn0 | |- ( K e. NN -> K e. NN0 ) |
|
| 16 | 15 | 3ad2ant1 | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> K e. NN0 ) |
| 17 | 14 16 | sylbi | |- ( K e. ( 1 ..^ N ) -> K e. NN0 ) |
| 18 | elfzonn0 | |- ( J e. ( 0 ..^ N ) -> J e. NN0 ) |
|
| 19 | nn0addcl | |- ( ( K e. NN0 /\ J e. NN0 ) -> ( K + J ) e. NN0 ) |
|
| 20 | 17 18 19 | syl2anr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) e. NN0 ) |
| 21 | 20 | adantl | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K + J ) e. NN0 ) |
| 22 | 21 | nn0ge0d | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> 0 <_ ( K + J ) ) |
| 23 | simpl | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K + J ) < N ) |
|
| 24 | modid | |- ( ( ( ( K + J ) e. RR /\ N e. RR+ ) /\ ( 0 <_ ( K + J ) /\ ( K + J ) < N ) ) -> ( ( K + J ) mod N ) = ( K + J ) ) |
|
| 25 | 13 22 23 24 | syl12anc | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) mod N ) = ( K + J ) ) |
| 26 | simp2 | |- ( ( J e. NN0 /\ N e. NN /\ J < N ) -> N e. NN ) |
|
| 27 | 1 26 | sylbi | |- ( J e. ( 0 ..^ N ) -> N e. NN ) |
| 28 | 27 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> N e. NN ) |
| 29 | 28 | adantl | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> N e. NN ) |
| 30 | elfzo0 | |- ( ( K + J ) e. ( 0 ..^ N ) <-> ( ( K + J ) e. NN0 /\ N e. NN /\ ( K + J ) < N ) ) |
|
| 31 | 21 29 23 30 | syl3anbrc | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K + J ) e. ( 0 ..^ N ) ) |
| 32 | 2 | zcnd | |- ( K e. ( 1 ..^ N ) -> K e. CC ) |
| 33 | 32 | adantl | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> K e. CC ) |
| 34 | 0cnd | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> 0 e. CC ) |
|
| 35 | elfzoelz | |- ( J e. ( 0 ..^ N ) -> J e. ZZ ) |
|
| 36 | 35 | zcnd | |- ( J e. ( 0 ..^ N ) -> J e. CC ) |
| 37 | 36 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> J e. CC ) |
| 38 | nnne0 | |- ( K e. NN -> K =/= 0 ) |
|
| 39 | 38 | 3ad2ant1 | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> K =/= 0 ) |
| 40 | 14 39 | sylbi | |- ( K e. ( 1 ..^ N ) -> K =/= 0 ) |
| 41 | 40 | adantl | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> K =/= 0 ) |
| 42 | 33 34 37 41 | addneintr2d | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) =/= ( 0 + J ) ) |
| 43 | 42 | adantl | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K + J ) =/= ( 0 + J ) ) |
| 44 | 37 | adantl | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> J e. CC ) |
| 45 | addlid | |- ( J e. CC -> ( 0 + J ) = J ) |
|
| 46 | 45 | eqcomd | |- ( J e. CC -> J = ( 0 + J ) ) |
| 47 | 44 46 | syl | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> J = ( 0 + J ) ) |
| 48 | 43 47 | neeqtrrd | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K + J ) =/= J ) |
| 49 | eldifsn | |- ( ( K + J ) e. ( ( 0 ..^ N ) \ { J } ) <-> ( ( K + J ) e. ( 0 ..^ N ) /\ ( K + J ) =/= J ) ) |
|
| 50 | 31 48 49 | sylanbrc | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K + J ) e. ( ( 0 ..^ N ) \ { J } ) ) |
| 51 | 25 50 | eqeltrd | |- ( ( ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) mod N ) e. ( ( 0 ..^ N ) \ { J } ) ) |
| 52 | elfzoel2 | |- ( J e. ( 0 ..^ N ) -> N e. ZZ ) |
|
| 53 | 52 | zcnd | |- ( J e. ( 0 ..^ N ) -> N e. CC ) |
| 54 | 53 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> N e. CC ) |
| 55 | 54 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> N e. CC ) |
| 56 | 55 | mulm1d | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( -u 1 x. N ) = -u N ) |
| 57 | 56 | oveq2d | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) + ( -u 1 x. N ) ) = ( ( K + J ) + -u N ) ) |
| 58 | zaddcl | |- ( ( K e. ZZ /\ J e. ZZ ) -> ( K + J ) e. ZZ ) |
|
| 59 | 2 35 58 | syl2anr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) e. ZZ ) |
| 60 | 59 | zcnd | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) e. CC ) |
| 61 | 60 54 | jca | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) e. CC /\ N e. CC ) ) |
| 62 | 61 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) e. CC /\ N e. CC ) ) |
| 63 | negsub | |- ( ( ( K + J ) e. CC /\ N e. CC ) -> ( ( K + J ) + -u N ) = ( ( K + J ) - N ) ) |
|
| 64 | 62 63 | syl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) + -u N ) = ( ( K + J ) - N ) ) |
| 65 | 57 64 | eqtrd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) + ( -u 1 x. N ) ) = ( ( K + J ) - N ) ) |
| 66 | 65 | oveq1d | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( ( K + J ) + ( -u 1 x. N ) ) mod N ) = ( ( ( K + J ) - N ) mod N ) ) |
| 67 | 2 35 58 | syl2an | |- ( ( K e. ( 1 ..^ N ) /\ J e. ( 0 ..^ N ) ) -> ( K + J ) e. ZZ ) |
| 68 | 67 | zred | |- ( ( K e. ( 1 ..^ N ) /\ J e. ( 0 ..^ N ) ) -> ( K + J ) e. RR ) |
| 69 | 68 | ancoms | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) e. RR ) |
| 70 | 52 | zred | |- ( J e. ( 0 ..^ N ) -> N e. RR ) |
| 71 | 70 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> N e. RR ) |
| 72 | 69 71 | resubcld | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) - N ) e. RR ) |
| 73 | 72 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) e. RR ) |
| 74 | 26 | nnrpd | |- ( ( J e. NN0 /\ N e. NN /\ J < N ) -> N e. RR+ ) |
| 75 | 1 74 | sylbi | |- ( J e. ( 0 ..^ N ) -> N e. RR+ ) |
| 76 | 75 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> N e. RR+ ) |
| 77 | 76 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> N e. RR+ ) |
| 78 | nnre | |- ( K e. NN -> K e. RR ) |
|
| 79 | 78 | 3ad2ant1 | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> K e. RR ) |
| 80 | 79 | adantl | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> K e. RR ) |
| 81 | 4 | adantr | |- ( ( J e. NN0 /\ J < N ) -> J e. RR ) |
| 82 | 81 | adantr | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> J e. RR ) |
| 83 | nnre | |- ( N e. NN -> N e. RR ) |
|
| 84 | 83 | 3ad2ant2 | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> N e. RR ) |
| 85 | 84 | adantl | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> N e. RR ) |
| 86 | simp3 | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> N e. RR ) |
|
| 87 | 6 | 3adant3 | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> ( K + J ) e. RR ) |
| 88 | 86 87 | lenltd | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> ( N <_ ( K + J ) <-> -. ( K + J ) < N ) ) |
| 89 | 88 | biimprd | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> ( -. ( K + J ) < N -> N <_ ( K + J ) ) ) |
| 90 | 87 86 | subge0d | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> ( 0 <_ ( ( K + J ) - N ) <-> N <_ ( K + J ) ) ) |
| 91 | 89 90 | sylibrd | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> ( -. ( K + J ) < N -> 0 <_ ( ( K + J ) - N ) ) ) |
| 92 | 80 82 85 91 | syl3anc | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( -. ( K + J ) < N -> 0 <_ ( ( K + J ) - N ) ) ) |
| 93 | 81 79 | anim12ci | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( K e. RR /\ J e. RR ) ) |
| 94 | 83 83 | jca | |- ( N e. NN -> ( N e. RR /\ N e. RR ) ) |
| 95 | 94 | 3ad2ant2 | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> ( N e. RR /\ N e. RR ) ) |
| 96 | 95 | adantl | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( N e. RR /\ N e. RR ) ) |
| 97 | simpr | |- ( ( J e. NN0 /\ J < N ) -> J < N ) |
|
| 98 | simp3 | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> K < N ) |
|
| 99 | 97 98 | anim12ci | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( K < N /\ J < N ) ) |
| 100 | 93 96 99 | jca31 | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) ) |
| 101 | lt2add | |- ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) -> ( ( K < N /\ J < N ) -> ( K + J ) < ( N + N ) ) ) |
|
| 102 | 101 | imp | |- ( ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) -> ( K + J ) < ( N + N ) ) |
| 103 | 100 102 | syl | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( K + J ) < ( N + N ) ) |
| 104 | 79 81 6 | syl2anr | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( K + J ) e. RR ) |
| 105 | ltsubadd | |- ( ( ( K + J ) e. RR /\ N e. RR /\ N e. RR ) -> ( ( ( K + J ) - N ) < N <-> ( K + J ) < ( N + N ) ) ) |
|
| 106 | 104 85 85 105 | syl3anc | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( ( ( K + J ) - N ) < N <-> ( K + J ) < ( N + N ) ) ) |
| 107 | 103 106 | mpbird | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( ( K + J ) - N ) < N ) |
| 108 | 92 107 | jctird | |- ( ( ( J e. NN0 /\ J < N ) /\ ( K e. NN /\ N e. NN /\ K < N ) ) -> ( -. ( K + J ) < N -> ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) ) |
| 109 | 108 | ex | |- ( ( J e. NN0 /\ J < N ) -> ( ( K e. NN /\ N e. NN /\ K < N ) -> ( -. ( K + J ) < N -> ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) ) ) |
| 110 | 14 109 | biimtrid | |- ( ( J e. NN0 /\ J < N ) -> ( K e. ( 1 ..^ N ) -> ( -. ( K + J ) < N -> ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) ) ) |
| 111 | 110 | 3adant2 | |- ( ( J e. NN0 /\ N e. NN /\ J < N ) -> ( K e. ( 1 ..^ N ) -> ( -. ( K + J ) < N -> ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) ) ) |
| 112 | 1 111 | sylbi | |- ( J e. ( 0 ..^ N ) -> ( K e. ( 1 ..^ N ) -> ( -. ( K + J ) < N -> ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) ) ) |
| 113 | 112 | imp | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( -. ( K + J ) < N -> ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) ) |
| 114 | 113 | impcom | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) |
| 115 | 73 77 114 | jca31 | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( ( ( K + J ) - N ) e. RR /\ N e. RR+ ) /\ ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) ) |
| 116 | modid | |- ( ( ( ( ( K + J ) - N ) e. RR /\ N e. RR+ ) /\ ( 0 <_ ( ( K + J ) - N ) /\ ( ( K + J ) - N ) < N ) ) -> ( ( ( K + J ) - N ) mod N ) = ( ( K + J ) - N ) ) |
|
| 117 | 115 116 | syl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( ( K + J ) - N ) mod N ) = ( ( K + J ) - N ) ) |
| 118 | 66 117 | eqtrd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( ( K + J ) + ( -u 1 x. N ) ) mod N ) = ( ( K + J ) - N ) ) |
| 119 | 118 | eqcomd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) = ( ( ( K + J ) + ( -u 1 x. N ) ) mod N ) ) |
| 120 | 1 9 | sylbi | |- ( J e. ( 0 ..^ N ) -> N e. RR+ ) |
| 121 | 120 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> N e. RR+ ) |
| 122 | neg1z | |- -u 1 e. ZZ |
|
| 123 | 122 | a1i | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> -u 1 e. ZZ ) |
| 124 | modcyc | |- ( ( ( K + J ) e. RR /\ N e. RR+ /\ -u 1 e. ZZ ) -> ( ( ( K + J ) + ( -u 1 x. N ) ) mod N ) = ( ( K + J ) mod N ) ) |
|
| 125 | 69 121 123 124 | syl2an23an | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( ( K + J ) + ( -u 1 x. N ) ) mod N ) = ( ( K + J ) mod N ) ) |
| 126 | 119 125 | eqtrd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) = ( ( K + J ) mod N ) ) |
| 127 | 126 | eqcomd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) mod N ) = ( ( K + J ) - N ) ) |
| 128 | 52 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> N e. ZZ ) |
| 129 | 59 128 | zsubcld | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) - N ) e. ZZ ) |
| 130 | 129 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) e. ZZ ) |
| 131 | 3 | adantl | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> K e. RR ) |
| 132 | 35 | zred | |- ( J e. ( 0 ..^ N ) -> J e. RR ) |
| 133 | 132 | adantr | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> J e. RR ) |
| 134 | 90 | biimprd | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> ( N <_ ( K + J ) -> 0 <_ ( ( K + J ) - N ) ) ) |
| 135 | 88 134 | sylbird | |- ( ( K e. RR /\ J e. RR /\ N e. RR ) -> ( -. ( K + J ) < N -> 0 <_ ( ( K + J ) - N ) ) ) |
| 136 | 131 133 71 135 | syl3anc | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( -. ( K + J ) < N -> 0 <_ ( ( K + J ) - N ) ) ) |
| 137 | 136 | impcom | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> 0 <_ ( ( K + J ) - N ) ) |
| 138 | elnn0z | |- ( ( ( K + J ) - N ) e. NN0 <-> ( ( ( K + J ) - N ) e. ZZ /\ 0 <_ ( ( K + J ) - N ) ) ) |
|
| 139 | 130 137 138 | sylanbrc | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) e. NN0 ) |
| 140 | 28 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> N e. NN ) |
| 141 | 100 | expcom | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> ( ( J e. NN0 /\ J < N ) -> ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) ) ) |
| 142 | 14 141 | sylbi | |- ( K e. ( 1 ..^ N ) -> ( ( J e. NN0 /\ J < N ) -> ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) ) ) |
| 143 | 142 | com12 | |- ( ( J e. NN0 /\ J < N ) -> ( K e. ( 1 ..^ N ) -> ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) ) ) |
| 144 | 143 | 3adant2 | |- ( ( J e. NN0 /\ N e. NN /\ J < N ) -> ( K e. ( 1 ..^ N ) -> ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) ) ) |
| 145 | 1 144 | sylbi | |- ( J e. ( 0 ..^ N ) -> ( K e. ( 1 ..^ N ) -> ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) ) ) |
| 146 | 145 | imp | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( ( K e. RR /\ J e. RR ) /\ ( N e. RR /\ N e. RR ) ) /\ ( K < N /\ J < N ) ) ) |
| 147 | 146 102 | syl | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) < ( N + N ) ) |
| 148 | 4 | adantr | |- ( ( J e. NN0 /\ N e. NN ) -> J e. RR ) |
| 149 | 3 148 6 | syl2anr | |- ( ( ( J e. NN0 /\ N e. NN ) /\ K e. ( 1 ..^ N ) ) -> ( K + J ) e. RR ) |
| 150 | 83 | adantl | |- ( ( J e. NN0 /\ N e. NN ) -> N e. RR ) |
| 151 | 150 | adantr | |- ( ( ( J e. NN0 /\ N e. NN ) /\ K e. ( 1 ..^ N ) ) -> N e. RR ) |
| 152 | 149 151 151 | 3jca | |- ( ( ( J e. NN0 /\ N e. NN ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) e. RR /\ N e. RR /\ N e. RR ) ) |
| 153 | 152 | ex | |- ( ( J e. NN0 /\ N e. NN ) -> ( K e. ( 1 ..^ N ) -> ( ( K + J ) e. RR /\ N e. RR /\ N e. RR ) ) ) |
| 154 | 153 | 3adant3 | |- ( ( J e. NN0 /\ N e. NN /\ J < N ) -> ( K e. ( 1 ..^ N ) -> ( ( K + J ) e. RR /\ N e. RR /\ N e. RR ) ) ) |
| 155 | 1 154 | sylbi | |- ( J e. ( 0 ..^ N ) -> ( K e. ( 1 ..^ N ) -> ( ( K + J ) e. RR /\ N e. RR /\ N e. RR ) ) ) |
| 156 | 155 | imp | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) e. RR /\ N e. RR /\ N e. RR ) ) |
| 157 | 156 105 | syl | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( ( K + J ) - N ) < N <-> ( K + J ) < ( N + N ) ) ) |
| 158 | 147 157 | mpbird | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) - N ) < N ) |
| 159 | 158 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) < N ) |
| 160 | elfzo0 | |- ( ( ( K + J ) - N ) e. ( 0 ..^ N ) <-> ( ( ( K + J ) - N ) e. NN0 /\ N e. NN /\ ( ( K + J ) - N ) < N ) ) |
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| 161 | 139 140 159 160 | syl3anbrc | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) e. ( 0 ..^ N ) ) |
| 162 | nncn | |- ( K e. NN -> K e. CC ) |
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| 163 | nncn | |- ( N e. NN -> N e. CC ) |
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| 164 | subcl | |- ( ( K e. CC /\ N e. CC ) -> ( K - N ) e. CC ) |
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| 165 | 162 163 164 | syl2an | |- ( ( K e. NN /\ N e. NN ) -> ( K - N ) e. CC ) |
| 166 | 165 | 3adant3 | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> ( K - N ) e. CC ) |
| 167 | 14 166 | sylbi | |- ( K e. ( 1 ..^ N ) -> ( K - N ) e. CC ) |
| 168 | 167 | adantl | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K - N ) e. CC ) |
| 169 | 168 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K - N ) e. CC ) |
| 170 | 0cnd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> 0 e. CC ) |
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| 171 | 37 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> J e. CC ) |
| 172 | elfzoel2 | |- ( K e. ( 1 ..^ N ) -> N e. ZZ ) |
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| 173 | 172 | zcnd | |- ( K e. ( 1 ..^ N ) -> N e. CC ) |
| 174 | 79 98 | ltned | |- ( ( K e. NN /\ N e. NN /\ K < N ) -> K =/= N ) |
| 175 | 14 174 | sylbi | |- ( K e. ( 1 ..^ N ) -> K =/= N ) |
| 176 | 32 173 175 | subne0d | |- ( K e. ( 1 ..^ N ) -> ( K - N ) =/= 0 ) |
| 177 | 176 | adantl | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K - N ) =/= 0 ) |
| 178 | 177 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K - N ) =/= 0 ) |
| 179 | 169 170 171 178 | addneintr2d | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K - N ) + J ) =/= ( 0 + J ) ) |
| 180 | 33 37 54 | 3jca | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( K e. CC /\ J e. CC /\ N e. CC ) ) |
| 181 | 180 | adantl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( K e. CC /\ J e. CC /\ N e. CC ) ) |
| 182 | addsub | |- ( ( K e. CC /\ J e. CC /\ N e. CC ) -> ( ( K + J ) - N ) = ( ( K - N ) + J ) ) |
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| 183 | 181 182 | syl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) = ( ( K - N ) + J ) ) |
| 184 | 171 45 | syl | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( 0 + J ) = J ) |
| 185 | 184 | eqcomd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> J = ( 0 + J ) ) |
| 186 | 179 183 185 | 3netr4d | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) =/= J ) |
| 187 | eldifsn | |- ( ( ( K + J ) - N ) e. ( ( 0 ..^ N ) \ { J } ) <-> ( ( ( K + J ) - N ) e. ( 0 ..^ N ) /\ ( ( K + J ) - N ) =/= J ) ) |
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| 188 | 161 186 187 | sylanbrc | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) - N ) e. ( ( 0 ..^ N ) \ { J } ) ) |
| 189 | 127 188 | eqeltrd | |- ( ( -. ( K + J ) < N /\ ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) ) -> ( ( K + J ) mod N ) e. ( ( 0 ..^ N ) \ { J } ) ) |
| 190 | 51 189 | pm2.61ian | |- ( ( J e. ( 0 ..^ N ) /\ K e. ( 1 ..^ N ) ) -> ( ( K + J ) mod N ) e. ( ( 0 ..^ N ) \ { J } ) ) |