| Step | Hyp | Ref | Expression | 
						
							| 1 |  | reex |  | 
						
							| 2 |  | rpssre |  | 
						
							| 3 | 1 2 | ssexi |  | 
						
							| 4 | 3 | a1i |  | 
						
							| 5 |  | ovexd |  | 
						
							| 6 |  | ovexd |  | 
						
							| 7 |  | eqidd |  | 
						
							| 8 |  | eqidd |  | 
						
							| 9 | 4 5 6 7 8 | offval2 |  | 
						
							| 10 | 9 | mptru |  | 
						
							| 11 |  | fzfid |  | 
						
							| 12 |  | elfznn |  | 
						
							| 13 | 12 | adantl |  | 
						
							| 14 |  | vmacl |  | 
						
							| 15 | 13 14 | syl |  | 
						
							| 16 | 15 | recnd |  | 
						
							| 17 | 13 | nnrpd |  | 
						
							| 18 |  | relogcl |  | 
						
							| 19 | 17 18 | syl |  | 
						
							| 20 | 19 | recnd |  | 
						
							| 21 |  | rpre |  | 
						
							| 22 |  | nndivre |  | 
						
							| 23 | 21 12 22 | syl2an |  | 
						
							| 24 |  | chpcl |  | 
						
							| 25 | 23 24 | syl |  | 
						
							| 26 | 25 | recnd |  | 
						
							| 27 | 20 26 | addcld |  | 
						
							| 28 | 16 27 | mulcld |  | 
						
							| 29 | 11 28 | fsumcl |  | 
						
							| 30 |  | rpcn |  | 
						
							| 31 |  | rpne0 |  | 
						
							| 32 | 29 30 31 | divcld |  | 
						
							| 33 |  | 2cn |  | 
						
							| 34 |  | relogcl |  | 
						
							| 35 | 34 | recnd |  | 
						
							| 36 |  | mulcl |  | 
						
							| 37 | 33 35 36 | sylancr |  | 
						
							| 38 | 16 20 | mulcld |  | 
						
							| 39 | 11 38 | fsumcl |  | 
						
							| 40 |  | chpcl |  | 
						
							| 41 | 21 40 | syl |  | 
						
							| 42 | 41 | recnd |  | 
						
							| 43 | 42 35 | mulcld |  | 
						
							| 44 | 39 43 | subcld |  | 
						
							| 45 | 44 30 31 | divcld |  | 
						
							| 46 | 32 37 45 | sub32d |  | 
						
							| 47 |  | rpcnne0 |  | 
						
							| 48 |  | divsubdir |  | 
						
							| 49 | 29 44 47 48 | syl3anc |  | 
						
							| 50 | 16 20 26 | adddid |  | 
						
							| 51 | 50 | sumeq2dv |  | 
						
							| 52 | 16 26 | mulcld |  | 
						
							| 53 | 11 38 52 | fsumadd |  | 
						
							| 54 | 51 53 | eqtrd |  | 
						
							| 55 | 54 | oveq1d |  | 
						
							| 56 | 11 52 | fsumcl |  | 
						
							| 57 | 39 56 43 | pnncand |  | 
						
							| 58 | 56 43 | addcomd |  | 
						
							| 59 | 55 57 58 | 3eqtrd |  | 
						
							| 60 | 59 | oveq1d |  | 
						
							| 61 | 49 60 | eqtr3d |  | 
						
							| 62 | 61 | oveq1d |  | 
						
							| 63 | 46 62 | eqtrd |  | 
						
							| 64 | 63 | mpteq2ia |  | 
						
							| 65 | 10 64 | eqtri |  | 
						
							| 66 |  | selberg |  | 
						
							| 67 |  | selberg2lem |  | 
						
							| 68 |  | o1sub |  | 
						
							| 69 | 66 67 68 | mp2an |  | 
						
							| 70 | 65 69 | eqeltrri |  |