| Step | Hyp | Ref | Expression | 
						
							| 1 |  | nosupres.1 |  | 
						
							| 2 |  | dmres |  | 
						
							| 3 | 1 | nosupno |  | 
						
							| 4 | 3 | 3ad2ant2 |  | 
						
							| 5 |  | nodmord |  | 
						
							| 6 | 4 5 | syl |  | 
						
							| 7 |  | dmeq |  | 
						
							| 8 | 7 | eleq2d |  | 
						
							| 9 |  | breq2 |  | 
						
							| 10 | 9 | notbid |  | 
						
							| 11 |  | reseq1 |  | 
						
							| 12 | 11 | eqeq1d |  | 
						
							| 13 | 10 12 | imbi12d |  | 
						
							| 14 | 13 | ralbidv |  | 
						
							| 15 | 8 14 | anbi12d |  | 
						
							| 16 | 15 | rspcev |  | 
						
							| 17 | 16 | 3impb |  | 
						
							| 18 |  | dmeq |  | 
						
							| 19 | 18 | eleq2d |  | 
						
							| 20 |  | breq2 |  | 
						
							| 21 | 20 | notbid |  | 
						
							| 22 |  | reseq1 |  | 
						
							| 23 | 22 | eqeq1d |  | 
						
							| 24 | 21 23 | imbi12d |  | 
						
							| 25 | 24 | ralbidv |  | 
						
							| 26 | 19 25 | anbi12d |  | 
						
							| 27 | 26 | cbvrexvw |  | 
						
							| 28 | 17 27 | sylibr |  | 
						
							| 29 |  | eleq1 |  | 
						
							| 30 |  | suceq |  | 
						
							| 31 | 30 | reseq2d |  | 
						
							| 32 | 30 | reseq2d |  | 
						
							| 33 | 31 32 | eqeq12d |  | 
						
							| 34 | 33 | imbi2d |  | 
						
							| 35 | 34 | ralbidv |  | 
						
							| 36 | 29 35 | anbi12d |  | 
						
							| 37 | 36 | rexbidv |  | 
						
							| 38 | 37 | elabg |  | 
						
							| 39 | 38 | 3ad2ant2 |  | 
						
							| 40 | 28 39 | mpbird |  | 
						
							| 41 | 40 | 3ad2ant3 |  | 
						
							| 42 |  | iffalse |  | 
						
							| 43 | 1 42 | eqtrid |  | 
						
							| 44 | 43 | dmeqd |  | 
						
							| 45 |  | iotaex |  | 
						
							| 46 |  | eqid |  | 
						
							| 47 | 45 46 | dmmpti |  | 
						
							| 48 | 44 47 | eqtrdi |  | 
						
							| 49 | 48 | 3ad2ant1 |  | 
						
							| 50 | 41 49 | eleqtrrd |  | 
						
							| 51 |  | ordsucss |  | 
						
							| 52 | 6 50 51 | sylc |  | 
						
							| 53 |  | dfss2 |  | 
						
							| 54 | 52 53 | sylib |  | 
						
							| 55 | 2 54 | eqtrid |  | 
						
							| 56 |  | dmres |  | 
						
							| 57 |  | simp2l |  | 
						
							| 58 |  | simp31 |  | 
						
							| 59 | 57 58 | sseldd |  | 
						
							| 60 |  | nodmord |  | 
						
							| 61 | 59 60 | syl |  | 
						
							| 62 |  | simp32 |  | 
						
							| 63 |  | ordsucss |  | 
						
							| 64 | 61 62 63 | sylc |  | 
						
							| 65 |  | dfss2 |  | 
						
							| 66 | 64 65 | sylib |  | 
						
							| 67 | 56 66 | eqtrid |  | 
						
							| 68 | 55 67 | eqtr4d |  | 
						
							| 69 | 55 | eleq2d |  | 
						
							| 70 |  | simpl1 |  | 
						
							| 71 |  | simpl2 |  | 
						
							| 72 |  | simpl31 |  | 
						
							| 73 | 64 | sselda |  | 
						
							| 74 |  | nodmon |  | 
						
							| 75 | 59 74 | syl |  | 
						
							| 76 |  | onelon |  | 
						
							| 77 | 75 62 76 | syl2anc |  | 
						
							| 78 |  | eloni |  | 
						
							| 79 | 77 78 | syl |  | 
						
							| 80 |  | ordsuc |  | 
						
							| 81 | 79 80 | sylib |  | 
						
							| 82 |  | ordsucss |  | 
						
							| 83 | 81 82 | syl |  | 
						
							| 84 | 83 | imp |  | 
						
							| 85 |  | simpl33 |  | 
						
							| 86 |  | reseq1 |  | 
						
							| 87 |  | resabs1 |  | 
						
							| 88 |  | resabs1 |  | 
						
							| 89 | 87 88 | eqeq12d |  | 
						
							| 90 | 86 89 | imbitrid |  | 
						
							| 91 | 90 | imim2d |  | 
						
							| 92 | 91 | ralimdv |  | 
						
							| 93 | 84 85 92 | sylc |  | 
						
							| 94 | 1 | nosupfv |  | 
						
							| 95 | 70 71 72 73 93 94 | syl113anc |  | 
						
							| 96 |  | simpr |  | 
						
							| 97 | 96 | fvresd |  | 
						
							| 98 | 96 | fvresd |  | 
						
							| 99 | 95 97 98 | 3eqtr4d |  | 
						
							| 100 | 99 | ex |  | 
						
							| 101 | 69 100 | sylbid |  | 
						
							| 102 | 101 | ralrimiv |  | 
						
							| 103 |  | nofun |  | 
						
							| 104 |  | funres |  | 
						
							| 105 | 4 103 104 | 3syl |  | 
						
							| 106 |  | nofun |  | 
						
							| 107 |  | funres |  | 
						
							| 108 | 59 106 107 | 3syl |  | 
						
							| 109 |  | eqfunfv |  | 
						
							| 110 | 105 108 109 | syl2anc |  | 
						
							| 111 | 68 102 110 | mpbir2and |  |