| Step | Hyp | Ref | Expression | 
						
							| 1 |  | stoweidlem42.1 |  | 
						
							| 2 |  | stoweidlem42.2 |  | 
						
							| 3 |  | stoweidlem42.3 |  | 
						
							| 4 |  | stoweidlem42.4 |  | 
						
							| 5 |  | stoweidlem42.5 |  | 
						
							| 6 |  | stoweidlem42.6 |  | 
						
							| 7 |  | stoweidlem42.7 |  | 
						
							| 8 |  | stoweidlem42.8 |  | 
						
							| 9 |  | stoweidlem42.9 |  | 
						
							| 10 |  | stoweidlem42.10 |  | 
						
							| 11 |  | stoweidlem42.11 |  | 
						
							| 12 |  | stoweidlem42.12 |  | 
						
							| 13 |  | stoweidlem42.13 |  | 
						
							| 14 |  | stoweidlem42.14 |  | 
						
							| 15 |  | stoweidlem42.15 |  | 
						
							| 16 |  | stoweidlem42.16 |  | 
						
							| 17 |  | 1red |  | 
						
							| 18 | 11 | rpred |  | 
						
							| 19 | 17 18 | resubcld |  | 
						
							| 20 | 19 | adantr |  | 
						
							| 21 | 18 8 | nndivred |  | 
						
							| 22 | 17 21 | resubcld |  | 
						
							| 23 | 22 | adantr |  | 
						
							| 24 | 8 | nnnn0d |  | 
						
							| 25 | 24 | adantr |  | 
						
							| 26 | 23 25 | reexpcld |  | 
						
							| 27 |  | elnnuz |  | 
						
							| 28 | 8 27 | sylib |  | 
						
							| 29 | 28 | adantr |  | 
						
							| 30 |  | nfv |  | 
						
							| 31 | 1 30 | nfan |  | 
						
							| 32 |  | nfv |  | 
						
							| 33 | 31 32 | nfan |  | 
						
							| 34 |  | nfcv |  | 
						
							| 35 |  | nfmpt1 |  | 
						
							| 36 | 34 35 | nfmpt |  | 
						
							| 37 | 6 36 | nfcxfr |  | 
						
							| 38 |  | nfcv |  | 
						
							| 39 | 37 38 | nffv |  | 
						
							| 40 |  | nfcv |  | 
						
							| 41 | 39 40 | nffv |  | 
						
							| 42 | 41 | nfel1 |  | 
						
							| 43 | 33 42 | nfim |  | 
						
							| 44 |  | eleq1 |  | 
						
							| 45 | 44 | anbi2d |  | 
						
							| 46 |  | fveq2 |  | 
						
							| 47 | 46 | eleq1d |  | 
						
							| 48 | 45 47 | imbi12d |  | 
						
							| 49 | 16 | sselda |  | 
						
							| 50 |  | ovex |  | 
						
							| 51 |  | mptexg |  | 
						
							| 52 | 50 51 | mp1i |  | 
						
							| 53 | 6 | fvmpt2 |  | 
						
							| 54 | 49 52 53 | syl2anc |  | 
						
							| 55 | 9 | ffvelcdmda |  | 
						
							| 56 |  | simpl |  | 
						
							| 57 | 56 55 | jca |  | 
						
							| 58 |  | eleq1 |  | 
						
							| 59 | 58 | anbi2d |  | 
						
							| 60 |  | feq1 |  | 
						
							| 61 | 59 60 | imbi12d |  | 
						
							| 62 | 61 13 | vtoclg |  | 
						
							| 63 | 55 57 62 | sylc |  | 
						
							| 64 | 63 | adantlr |  | 
						
							| 65 | 49 | adantr |  | 
						
							| 66 | 64 65 | ffvelcdmd |  | 
						
							| 67 | 54 66 | fvmpt2d |  | 
						
							| 68 | 67 66 | eqeltrd |  | 
						
							| 69 | 43 48 68 | chvarfv |  | 
						
							| 70 |  | remulcl |  | 
						
							| 71 | 70 | adantl |  | 
						
							| 72 | 29 69 71 | seqcl |  | 
						
							| 73 | 11 | rpcnd |  | 
						
							| 74 | 8 | nncnd |  | 
						
							| 75 | 8 | nnne0d |  | 
						
							| 76 | 73 74 75 | divcan1d |  | 
						
							| 77 | 76 | eqcomd |  | 
						
							| 78 | 77 | oveq2d |  | 
						
							| 79 |  | 1cnd |  | 
						
							| 80 | 73 74 75 | divcld |  | 
						
							| 81 | 80 74 | mulcld |  | 
						
							| 82 | 79 81 | negsubd |  | 
						
							| 83 | 80 74 | mulneg1d |  | 
						
							| 84 | 83 | eqcomd |  | 
						
							| 85 | 84 | oveq2d |  | 
						
							| 86 | 78 82 85 | 3eqtr2d |  | 
						
							| 87 | 21 | renegcld |  | 
						
							| 88 | 8 | nnred |  | 
						
							| 89 |  | 3re |  | 
						
							| 90 | 89 | a1i |  | 
						
							| 91 |  | 3ne0 |  | 
						
							| 92 | 91 | a1i |  | 
						
							| 93 | 90 92 | rereccld |  | 
						
							| 94 |  | 1lt3 |  | 
						
							| 95 | 94 | a1i |  | 
						
							| 96 |  | 0lt1 |  | 
						
							| 97 | 96 | a1i |  | 
						
							| 98 |  | 3pos |  | 
						
							| 99 | 98 | a1i |  | 
						
							| 100 |  | ltdiv2 |  | 
						
							| 101 | 17 97 90 99 17 97 100 | syl222anc |  | 
						
							| 102 | 95 101 | mpbid |  | 
						
							| 103 |  | 1div1e1 |  | 
						
							| 104 | 102 103 | breqtrdi |  | 
						
							| 105 | 18 93 17 12 104 | lttrd |  | 
						
							| 106 | 8 | nnge1d |  | 
						
							| 107 | 18 17 88 105 106 | ltletrd |  | 
						
							| 108 | 18 88 107 | ltled |  | 
						
							| 109 | 11 | rpregt0d |  | 
						
							| 110 | 8 | nngt0d |  | 
						
							| 111 |  | lediv2 |  | 
						
							| 112 | 109 88 110 109 111 | syl121anc |  | 
						
							| 113 | 108 112 | mpbid |  | 
						
							| 114 | 11 | rpcnne0d |  | 
						
							| 115 |  | divid |  | 
						
							| 116 | 114 115 | syl |  | 
						
							| 117 | 113 116 | breqtrd |  | 
						
							| 118 | 21 17 | lenegd |  | 
						
							| 119 | 117 118 | mpbid |  | 
						
							| 120 |  | bernneq |  | 
						
							| 121 | 87 24 119 120 | syl3anc |  | 
						
							| 122 | 79 80 | negsubd |  | 
						
							| 123 | 122 | oveq1d |  | 
						
							| 124 | 121 123 | breqtrd |  | 
						
							| 125 | 86 124 | eqbrtrd |  | 
						
							| 126 | 125 | adantr |  | 
						
							| 127 |  | eqid |  | 
						
							| 128 | 8 | adantr |  | 
						
							| 129 |  | eqid |  | 
						
							| 130 | 31 66 129 | fmptdf |  | 
						
							| 131 | 54 | feq1d |  | 
						
							| 132 | 130 131 | mpbird |  | 
						
							| 133 | 10 | r19.21bi |  | 
						
							| 134 | 133 | an32s |  | 
						
							| 135 | 134 67 | breqtrrd |  | 
						
							| 136 | 80 | addlidd |  | 
						
							| 137 |  | lediv2 |  | 
						
							| 138 | 17 97 88 110 109 137 | syl221anc |  | 
						
							| 139 | 106 138 | mpbid |  | 
						
							| 140 | 73 | div1d |  | 
						
							| 141 | 139 140 | breqtrd |  | 
						
							| 142 | 21 18 17 141 105 | lelttrd |  | 
						
							| 143 | 136 142 | eqbrtrd |  | 
						
							| 144 |  | 0red |  | 
						
							| 145 | 144 21 17 | ltaddsubd |  | 
						
							| 146 | 143 145 | mpbid |  | 
						
							| 147 | 22 146 | elrpd |  | 
						
							| 148 | 147 | adantr |  | 
						
							| 149 | 39 31 127 128 132 135 148 | stoweidlem3 |  | 
						
							| 150 | 20 26 72 126 149 | lelttrd |  | 
						
							| 151 | 7 | fvmpt2 |  | 
						
							| 152 | 49 72 151 | syl2anc |  | 
						
							| 153 | 150 152 | breqtrrd |  | 
						
							| 154 |  | simpl |  | 
						
							| 155 | 1 3 4 5 6 7 15 8 9 13 14 | fmuldfeq |  | 
						
							| 156 | 154 49 155 | syl2anc |  | 
						
							| 157 | 153 156 | breqtrrd |  | 
						
							| 158 | 157 | ex |  | 
						
							| 159 | 2 158 | ralrimi |  |