This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: The ternary Goldbach conjecture is valid for small odd numbers (i.e. for all odd numbers less than a fixed big m greater than 8 x 10^30). This is verified for m = 8.875694 x 10^30 by Helfgott, see tgblthelfgott . (Contributed by AV, 4-Aug-2020) (Revised by AV, 9-Sep-2021)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | tgoldbachlt | |- E. m e. NN ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < m /\ A. n e. Odd ( ( 7 < n /\ n < m ) -> n e. GoldbachOdd ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 8nn0 | |- 8 e. NN0 |
|
| 2 | 8nn | |- 8 e. NN |
|
| 3 | 1 2 | decnncl | |- ; 8 8 e. NN |
| 4 | 10nn | |- ; 1 0 e. NN |
|
| 5 | 2nn0 | |- 2 e. NN0 |
|
| 6 | 9nn0 | |- 9 e. NN0 |
|
| 7 | 5 6 | deccl | |- ; 2 9 e. NN0 |
| 8 | nnexpcl | |- ( ( ; 1 0 e. NN /\ ; 2 9 e. NN0 ) -> ( ; 1 0 ^ ; 2 9 ) e. NN ) |
|
| 9 | 4 7 8 | mp2an | |- ( ; 1 0 ^ ; 2 9 ) e. NN |
| 10 | 3 9 | nnmulcli | |- ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN |
| 11 | id | |- ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN -> ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN ) |
|
| 12 | breq2 | |- ( m = ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) -> ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < m <-> ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) |
|
| 13 | breq2 | |- ( m = ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) -> ( n < m <-> n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) |
|
| 14 | 13 | anbi2d | |- ( m = ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) -> ( ( 7 < n /\ n < m ) <-> ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) ) |
| 15 | 14 | imbi1d | |- ( m = ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) -> ( ( ( 7 < n /\ n < m ) -> n e. GoldbachOdd ) <-> ( ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) ) ) |
| 16 | 15 | ralbidv | |- ( m = ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) -> ( A. n e. Odd ( ( 7 < n /\ n < m ) -> n e. GoldbachOdd ) <-> A. n e. Odd ( ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) ) ) |
| 17 | 12 16 | anbi12d | |- ( m = ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) -> ( ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < m /\ A. n e. Odd ( ( 7 < n /\ n < m ) -> n e. GoldbachOdd ) ) <-> ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) /\ A. n e. Odd ( ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) ) ) ) |
| 18 | 17 | adantl | |- ( ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN /\ m = ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> ( ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < m /\ A. n e. Odd ( ( 7 < n /\ n < m ) -> n e. GoldbachOdd ) ) <-> ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) /\ A. n e. Odd ( ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) ) ) ) |
| 19 | simplr | |- ( ( ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN /\ n e. Odd ) /\ ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) -> n e. Odd ) |
|
| 20 | simprl | |- ( ( ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN /\ n e. Odd ) /\ ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) -> 7 < n ) |
|
| 21 | simprr | |- ( ( ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN /\ n e. Odd ) /\ ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) -> n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
|
| 22 | tgblthelfgott | |- ( ( n e. Odd /\ 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) |
|
| 23 | 19 20 21 22 | syl3anc | |- ( ( ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN /\ n e. Odd ) /\ ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) -> n e. GoldbachOdd ) |
| 24 | 23 | ex | |- ( ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN /\ n e. Odd ) -> ( ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) ) |
| 25 | 24 | ralrimiva | |- ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN -> A. n e. Odd ( ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) ) |
| 26 | 2 9 | nnmulcli | |- ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN |
| 27 | 26 | nngt0i | |- 0 < ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) |
| 28 | 26 | nnrei | |- ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. RR |
| 29 | 3nn0 | |- 3 e. NN0 |
|
| 30 | 0nn0 | |- 0 e. NN0 |
|
| 31 | 29 30 | deccl | |- ; 3 0 e. NN0 |
| 32 | nnexpcl | |- ( ( ; 1 0 e. NN /\ ; 3 0 e. NN0 ) -> ( ; 1 0 ^ ; 3 0 ) e. NN ) |
|
| 33 | 4 31 32 | mp2an | |- ( ; 1 0 ^ ; 3 0 ) e. NN |
| 34 | 2 33 | nnmulcli | |- ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) e. NN |
| 35 | 34 | nnrei | |- ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) e. RR |
| 36 | 28 35 | ltaddposi | |- ( 0 < ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) <-> ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) |
| 37 | 27 36 | mpbi | |- ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
| 38 | dfdec10 | |- ; 8 8 = ( ( ; 1 0 x. 8 ) + 8 ) |
|
| 39 | 38 | oveq1i | |- ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) = ( ( ( ; 1 0 x. 8 ) + 8 ) x. ( ; 1 0 ^ ; 2 9 ) ) |
| 40 | 4 2 | nnmulcli | |- ( ; 1 0 x. 8 ) e. NN |
| 41 | 40 | nncni | |- ( ; 1 0 x. 8 ) e. CC |
| 42 | 8cn | |- 8 e. CC |
|
| 43 | 9 | nncni | |- ( ; 1 0 ^ ; 2 9 ) e. CC |
| 44 | 41 42 43 | adddiri | |- ( ( ( ; 1 0 x. 8 ) + 8 ) x. ( ; 1 0 ^ ; 2 9 ) ) = ( ( ( ; 1 0 x. 8 ) x. ( ; 1 0 ^ ; 2 9 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
| 45 | 41 43 | mulcomi | |- ( ( ; 1 0 x. 8 ) x. ( ; 1 0 ^ ; 2 9 ) ) = ( ( ; 1 0 ^ ; 2 9 ) x. ( ; 1 0 x. 8 ) ) |
| 46 | 4 | nncni | |- ; 1 0 e. CC |
| 47 | 43 46 42 | mulassi | |- ( ( ( ; 1 0 ^ ; 2 9 ) x. ; 1 0 ) x. 8 ) = ( ( ; 1 0 ^ ; 2 9 ) x. ( ; 1 0 x. 8 ) ) |
| 48 | nncn | |- ( ; 1 0 e. NN -> ; 1 0 e. CC ) |
|
| 49 | 7 | a1i | |- ( ; 1 0 e. NN -> ; 2 9 e. NN0 ) |
| 50 | 48 49 | expp1d | |- ( ; 1 0 e. NN -> ( ; 1 0 ^ ( ; 2 9 + 1 ) ) = ( ( ; 1 0 ^ ; 2 9 ) x. ; 1 0 ) ) |
| 51 | 4 50 | ax-mp | |- ( ; 1 0 ^ ( ; 2 9 + 1 ) ) = ( ( ; 1 0 ^ ; 2 9 ) x. ; 1 0 ) |
| 52 | 51 | eqcomi | |- ( ( ; 1 0 ^ ; 2 9 ) x. ; 1 0 ) = ( ; 1 0 ^ ( ; 2 9 + 1 ) ) |
| 53 | 52 | oveq1i | |- ( ( ( ; 1 0 ^ ; 2 9 ) x. ; 1 0 ) x. 8 ) = ( ( ; 1 0 ^ ( ; 2 9 + 1 ) ) x. 8 ) |
| 54 | 45 47 53 | 3eqtr2i | |- ( ( ; 1 0 x. 8 ) x. ( ; 1 0 ^ ; 2 9 ) ) = ( ( ; 1 0 ^ ( ; 2 9 + 1 ) ) x. 8 ) |
| 55 | 54 | oveq1i | |- ( ( ( ; 1 0 x. 8 ) x. ( ; 1 0 ^ ; 2 9 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) = ( ( ( ; 1 0 ^ ( ; 2 9 + 1 ) ) x. 8 ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
| 56 | 2p1e3 | |- ( 2 + 1 ) = 3 |
|
| 57 | eqid | |- ; 2 9 = ; 2 9 |
|
| 58 | 5 56 57 | decsucc | |- ( ; 2 9 + 1 ) = ; 3 0 |
| 59 | 58 | oveq2i | |- ( ; 1 0 ^ ( ; 2 9 + 1 ) ) = ( ; 1 0 ^ ; 3 0 ) |
| 60 | 59 | oveq1i | |- ( ( ; 1 0 ^ ( ; 2 9 + 1 ) ) x. 8 ) = ( ( ; 1 0 ^ ; 3 0 ) x. 8 ) |
| 61 | 60 | oveq1i | |- ( ( ( ; 1 0 ^ ( ; 2 9 + 1 ) ) x. 8 ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) = ( ( ( ; 1 0 ^ ; 3 0 ) x. 8 ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
| 62 | 33 | nncni | |- ( ; 1 0 ^ ; 3 0 ) e. CC |
| 63 | mulcom | |- ( ( ( ; 1 0 ^ ; 3 0 ) e. CC /\ 8 e. CC ) -> ( ( ; 1 0 ^ ; 3 0 ) x. 8 ) = ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) ) |
|
| 64 | 63 | oveq1d | |- ( ( ( ; 1 0 ^ ; 3 0 ) e. CC /\ 8 e. CC ) -> ( ( ( ; 1 0 ^ ; 3 0 ) x. 8 ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) = ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) ) |
| 65 | 62 42 64 | mp2an | |- ( ( ( ; 1 0 ^ ; 3 0 ) x. 8 ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) = ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
| 66 | 55 61 65 | 3eqtri | |- ( ( ( ; 1 0 x. 8 ) x. ( ; 1 0 ^ ; 2 9 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) = ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
| 67 | 39 44 66 | 3eqtri | |- ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) = ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) + ( 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) |
| 68 | 37 67 | breqtrri | |- ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) |
| 69 | 25 68 | jctil | |- ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN -> ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) /\ A. n e. Odd ( ( 7 < n /\ n < ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) ) -> n e. GoldbachOdd ) ) ) |
| 70 | 11 18 69 | rspcedvd | |- ( ( ; 8 8 x. ( ; 1 0 ^ ; 2 9 ) ) e. NN -> E. m e. NN ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < m /\ A. n e. Odd ( ( 7 < n /\ n < m ) -> n e. GoldbachOdd ) ) ) |
| 71 | 10 70 | ax-mp | |- E. m e. NN ( ( 8 x. ( ; 1 0 ^ ; 3 0 ) ) < m /\ A. n e. Odd ( ( 7 < n /\ n < m ) -> n e. GoldbachOdd ) ) |