| Step | Hyp | Ref | Expression | 
						
							| 1 |  | mclsval.d |  | 
						
							| 2 |  | mclsval.e |  | 
						
							| 3 |  | mclsval.c |  | 
						
							| 4 |  | mclsval.1 |  | 
						
							| 5 |  | mclsval.2 |  | 
						
							| 6 |  | mclsval.3 |  | 
						
							| 7 |  | mclsax.a |  | 
						
							| 8 |  | mclsax.l |  | 
						
							| 9 |  | mclsax.v |  | 
						
							| 10 |  | mclsax.h |  | 
						
							| 11 |  | mclsax.w |  | 
						
							| 12 |  | mclsax.4 |  | 
						
							| 13 |  | mclsax.5 |  | 
						
							| 14 |  | mclsax.6 |  | 
						
							| 15 |  | mclsax.7 |  | 
						
							| 16 |  | mclsax.8 |  | 
						
							| 17 |  | abid |  | 
						
							| 18 |  | intss1 |  | 
						
							| 19 | 17 18 | sylbir |  | 
						
							| 20 | 1 2 3 4 5 6 10 7 8 11 | mclsval |  | 
						
							| 21 | 20 | sseq1d |  | 
						
							| 22 | 19 21 | imbitrrid |  | 
						
							| 23 |  | sstr2 |  | 
						
							| 24 | 23 | com12 |  | 
						
							| 25 | 24 | anim1d |  | 
						
							| 26 | 25 | imim1d |  | 
						
							| 27 | 26 | ralimdv |  | 
						
							| 28 | 27 | imim2d |  | 
						
							| 29 | 28 | alimdv |  | 
						
							| 30 | 29 | 2alimdv |  | 
						
							| 31 | 30 | com12 |  | 
						
							| 32 | 31 | adantl |  | 
						
							| 33 | 22 32 | sylcom |  | 
						
							| 34 |  | eqid |  | 
						
							| 35 |  | eqid |  | 
						
							| 36 | 34 35 | mstapst |  | 
						
							| 37 | 7 35 | maxsta |  | 
						
							| 38 | 4 37 | syl |  | 
						
							| 39 | 38 12 | sseldd |  | 
						
							| 40 | 36 39 | sselid |  | 
						
							| 41 | 34 | mpstrcl |  | 
						
							| 42 |  | simp1 |  | 
						
							| 43 |  | simp2 |  | 
						
							| 44 |  | simp3 |  | 
						
							| 45 | 42 43 44 | oteq123d |  | 
						
							| 46 | 45 | eleq1d |  | 
						
							| 47 | 43 | uneq1d |  | 
						
							| 48 | 47 | imaeq2d |  | 
						
							| 49 | 48 | sseq1d |  | 
						
							| 50 | 42 | breqd |  | 
						
							| 51 | 50 | imbi1d |  | 
						
							| 52 | 51 | 2albidv |  | 
						
							| 53 | 49 52 | anbi12d |  | 
						
							| 54 | 44 | fveq2d |  | 
						
							| 55 | 54 | eleq1d |  | 
						
							| 56 | 53 55 | imbi12d |  | 
						
							| 57 | 56 | ralbidv |  | 
						
							| 58 | 46 57 | imbi12d |  | 
						
							| 59 | 58 | spc3gv |  | 
						
							| 60 | 40 41 59 | 3syl |  | 
						
							| 61 |  | elun |  | 
						
							| 62 | 15 | ralrimiva |  | 
						
							| 63 | 9 2 10 | mvhf |  | 
						
							| 64 | 4 63 | syl |  | 
						
							| 65 |  | ffn |  | 
						
							| 66 |  | fveq2 |  | 
						
							| 67 | 66 | eleq1d |  | 
						
							| 68 | 67 | ralrn |  | 
						
							| 69 | 64 65 68 | 3syl |  | 
						
							| 70 | 62 69 | mpbird |  | 
						
							| 71 | 70 | r19.21bi |  | 
						
							| 72 | 14 71 | jaodan |  | 
						
							| 73 | 61 72 | sylan2b |  | 
						
							| 74 | 73 | ralrimiva |  | 
						
							| 75 | 8 2 | msubf |  | 
						
							| 76 | 13 75 | syl |  | 
						
							| 77 | 76 | ffund |  | 
						
							| 78 | 1 2 34 | elmpst |  | 
						
							| 79 | 40 78 | sylib |  | 
						
							| 80 | 79 | simp2d |  | 
						
							| 81 | 80 | simpld |  | 
						
							| 82 | 76 | fdmd |  | 
						
							| 83 | 81 82 | sseqtrrd |  | 
						
							| 84 | 64 | frnd |  | 
						
							| 85 | 84 82 | sseqtrrd |  | 
						
							| 86 | 83 85 | unssd |  | 
						
							| 87 |  | funimass4 |  | 
						
							| 88 | 77 86 87 | syl2anc |  | 
						
							| 89 | 74 88 | mpbird |  | 
						
							| 90 | 16 | 3exp2 |  | 
						
							| 91 | 90 | imp4b |  | 
						
							| 92 | 91 | ralrimivv |  | 
						
							| 93 |  | dfss3 |  | 
						
							| 94 |  | eleq1 |  | 
						
							| 95 |  | df-br |  | 
						
							| 96 | 94 95 | bitr4di |  | 
						
							| 97 | 96 | ralxp |  | 
						
							| 98 | 93 97 | bitri |  | 
						
							| 99 | 92 98 | sylibr |  | 
						
							| 100 | 99 | ex |  | 
						
							| 101 | 100 | alrimivv |  | 
						
							| 102 | 89 101 | jca |  | 
						
							| 103 |  | imaeq1 |  | 
						
							| 104 | 103 | sseq1d |  | 
						
							| 105 |  | fveq1 |  | 
						
							| 106 | 105 | fveq2d |  | 
						
							| 107 |  | fveq1 |  | 
						
							| 108 | 107 | fveq2d |  | 
						
							| 109 | 106 108 | xpeq12d |  | 
						
							| 110 | 109 | sseq1d |  | 
						
							| 111 | 110 | imbi2d |  | 
						
							| 112 | 111 | 2albidv |  | 
						
							| 113 | 104 112 | anbi12d |  | 
						
							| 114 |  | fveq1 |  | 
						
							| 115 | 114 | eleq1d |  | 
						
							| 116 | 113 115 | imbi12d |  | 
						
							| 117 | 116 | rspcv |  | 
						
							| 118 | 13 117 | syl |  | 
						
							| 119 | 102 118 | mpid |  | 
						
							| 120 | 12 119 | embantd |  | 
						
							| 121 | 33 60 120 | 3syld |  | 
						
							| 122 | 121 | alrimiv |  | 
						
							| 123 |  | fvex |  | 
						
							| 124 | 123 | elintab |  | 
						
							| 125 | 122 124 | sylibr |  | 
						
							| 126 | 125 20 | eleqtrrd |  |