| Step | Hyp | Ref | Expression | 
						
							| 1 |  | pntlem1.r |  | 
						
							| 2 |  | pntlem1.a |  | 
						
							| 3 |  | pntlem1.b |  | 
						
							| 4 |  | pntlem1.l |  | 
						
							| 5 |  | pntlem1.d |  | 
						
							| 6 |  | pntlem1.f |  | 
						
							| 7 |  | pntlem1.u |  | 
						
							| 8 |  | pntlem1.u2 |  | 
						
							| 9 |  | pntlem1.e |  | 
						
							| 10 |  | pntlem1.k |  | 
						
							| 11 |  | pntlem1.y |  | 
						
							| 12 |  | pntlem1.x |  | 
						
							| 13 |  | pntlem1.c |  | 
						
							| 14 |  | pntlem1.w |  | 
						
							| 15 |  | pntlem1.z |  | 
						
							| 16 |  | pntlem1.m |  | 
						
							| 17 |  | pntlem1.n |  | 
						
							| 18 | 12 | simpld |  | 
						
							| 19 | 18 | rpred |  | 
						
							| 20 |  | 1red |  | 
						
							| 21 | 11 | simpld |  | 
						
							| 22 | 21 | rpred |  | 
						
							| 23 | 11 | simprd |  | 
						
							| 24 | 12 | simprd |  | 
						
							| 25 | 20 22 19 23 24 | lelttrd |  | 
						
							| 26 | 19 25 | rplogcld |  | 
						
							| 27 | 1 2 3 4 5 6 7 8 9 10 | pntlemc |  | 
						
							| 28 | 27 | simp2d |  | 
						
							| 29 | 28 | rpred |  | 
						
							| 30 | 27 | simp3d |  | 
						
							| 31 | 30 | simp2d |  | 
						
							| 32 | 29 31 | rplogcld |  | 
						
							| 33 | 26 32 | rpdivcld |  | 
						
							| 34 | 33 | rprege0d |  | 
						
							| 35 |  | flge0nn0 |  | 
						
							| 36 |  | nn0p1nn |  | 
						
							| 37 | 34 35 36 | 3syl |  | 
						
							| 38 | 16 37 | eqeltrid |  | 
						
							| 39 | 38 | nnzd |  | 
						
							| 40 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | pntlemb |  | 
						
							| 41 | 40 | simp1d |  | 
						
							| 42 | 41 | relogcld |  | 
						
							| 43 | 42 32 | rerpdivcld |  | 
						
							| 44 | 43 | rehalfcld |  | 
						
							| 45 | 44 | flcld |  | 
						
							| 46 | 17 45 | eqeltrid |  | 
						
							| 47 |  | 0red |  | 
						
							| 48 |  | 4nn |  | 
						
							| 49 |  | nndivre |  | 
						
							| 50 | 43 48 49 | sylancl |  | 
						
							| 51 | 46 | zred |  | 
						
							| 52 | 38 | nnred |  | 
						
							| 53 | 51 52 | resubcld |  | 
						
							| 54 | 41 | rpred |  | 
						
							| 55 | 40 | simp2d |  | 
						
							| 56 | 55 | simp1d |  | 
						
							| 57 | 54 56 | rplogcld |  | 
						
							| 58 | 57 32 | rpdivcld |  | 
						
							| 59 |  | 4re |  | 
						
							| 60 |  | 4pos |  | 
						
							| 61 | 59 60 | elrpii |  | 
						
							| 62 |  | rpdivcl |  | 
						
							| 63 | 58 61 62 | sylancl |  | 
						
							| 64 | 63 | rpge0d |  | 
						
							| 65 | 50 | recnd |  | 
						
							| 66 | 38 | nncnd |  | 
						
							| 67 |  | 1cnd |  | 
						
							| 68 | 65 66 67 | addassd |  | 
						
							| 69 | 52 20 | readdcld |  | 
						
							| 70 | 50 69 | readdcld |  | 
						
							| 71 |  | peano2re |  | 
						
							| 72 | 51 71 | syl |  | 
						
							| 73 | 33 | rpred |  | 
						
							| 74 |  | 2re |  | 
						
							| 75 | 74 | a1i |  | 
						
							| 76 | 73 75 | readdcld |  | 
						
							| 77 |  | reflcl |  | 
						
							| 78 | 73 77 | syl |  | 
						
							| 79 | 78 | recnd |  | 
						
							| 80 | 79 67 67 | addassd |  | 
						
							| 81 | 16 | oveq1i |  | 
						
							| 82 |  | df-2 |  | 
						
							| 83 | 82 | oveq2i |  | 
						
							| 84 | 80 81 83 | 3eqtr4g |  | 
						
							| 85 |  | flle |  | 
						
							| 86 | 73 85 | syl |  | 
						
							| 87 | 78 73 75 86 | leadd1dd |  | 
						
							| 88 | 84 87 | eqbrtrd |  | 
						
							| 89 | 40 | simp3d |  | 
						
							| 90 | 89 | simp2d |  | 
						
							| 91 | 69 76 50 88 90 | letrd |  | 
						
							| 92 | 69 50 50 91 | leadd2dd |  | 
						
							| 93 | 43 | recnd |  | 
						
							| 94 |  | 2cnd |  | 
						
							| 95 |  | 2ne0 |  | 
						
							| 96 | 95 | a1i |  | 
						
							| 97 | 93 94 94 96 96 | divdiv1d |  | 
						
							| 98 |  | 2t2e4 |  | 
						
							| 99 | 98 | oveq2i |  | 
						
							| 100 | 97 99 | eqtrdi |  | 
						
							| 101 | 100 | oveq2d |  | 
						
							| 102 | 44 | recnd |  | 
						
							| 103 | 102 94 96 | divcan2d |  | 
						
							| 104 | 65 | 2timesd |  | 
						
							| 105 | 101 103 104 | 3eqtr3d |  | 
						
							| 106 | 92 105 | breqtrrd |  | 
						
							| 107 |  | fllep1 |  | 
						
							| 108 | 44 107 | syl |  | 
						
							| 109 | 17 | oveq1i |  | 
						
							| 110 | 108 109 | breqtrrdi |  | 
						
							| 111 | 70 44 72 106 110 | letrd |  | 
						
							| 112 | 68 111 | eqbrtrd |  | 
						
							| 113 | 50 52 | readdcld |  | 
						
							| 114 | 113 51 20 | leadd1d |  | 
						
							| 115 | 112 114 | mpbird |  | 
						
							| 116 |  | leaddsub |  | 
						
							| 117 | 50 52 51 116 | syl3anc |  | 
						
							| 118 | 115 117 | mpbid |  | 
						
							| 119 | 47 50 53 64 118 | letrd |  | 
						
							| 120 | 51 52 | subge0d |  | 
						
							| 121 | 119 120 | mpbid |  | 
						
							| 122 |  | eluz2 |  | 
						
							| 123 | 39 46 121 122 | syl3anbrc |  | 
						
							| 124 | 38 123 118 | 3jca |  |