| Step | Hyp | Ref | Expression | 
						
							| 1 |  | noinfbnd1.1 |  | 
						
							| 2 | 1 | noinfno |  | 
						
							| 3 | 2 | 3ad2ant2 |  | 
						
							| 4 | 3 | adantl |  | 
						
							| 5 |  | nodmord |  | 
						
							| 6 | 4 5 | syl |  | 
						
							| 7 |  | ordirr |  | 
						
							| 8 | 6 7 | syl |  | 
						
							| 9 |  | simpr3l |  | 
						
							| 10 | 9 | adantr |  | 
						
							| 11 |  | ndmfv |  | 
						
							| 12 |  | 2on0 |  | 
						
							| 13 | 12 | necomi |  | 
						
							| 14 |  | neeq1 |  | 
						
							| 15 | 13 14 | mpbiri |  | 
						
							| 16 | 11 15 | syl |  | 
						
							| 17 | 16 | neneqd |  | 
						
							| 18 | 17 | con4i |  | 
						
							| 19 | 18 | adantl |  | 
						
							| 20 |  | simpl2l |  | 
						
							| 21 | 20 | adantr |  | 
						
							| 22 |  | simpl3l |  | 
						
							| 23 | 22 | adantr |  | 
						
							| 24 | 21 23 | sseldd |  | 
						
							| 25 |  | nofun |  | 
						
							| 26 | 24 25 | syl |  | 
						
							| 27 |  | simprll |  | 
						
							| 28 | 21 27 | sseldd |  | 
						
							| 29 |  | nofun |  | 
						
							| 30 | 28 29 | syl |  | 
						
							| 31 |  | simpl3r |  | 
						
							| 32 | 31 | adantr |  | 
						
							| 33 |  | simpll1 |  | 
						
							| 34 |  | simpll2 |  | 
						
							| 35 |  | simpll3 |  | 
						
							| 36 |  | simprl |  | 
						
							| 37 | 1 | noinfbnd1lem2 |  | 
						
							| 38 | 33 34 35 36 37 | syl112anc |  | 
						
							| 39 | 32 38 | eqtr4d |  | 
						
							| 40 |  | simplr |  | 
						
							| 41 | 40 18 | syl |  | 
						
							| 42 |  | simprr |  | 
						
							| 43 |  | ndmfv |  | 
						
							| 44 |  | neeq1 |  | 
						
							| 45 | 13 44 | mpbiri |  | 
						
							| 46 | 43 45 | syl |  | 
						
							| 47 | 46 | neneqd |  | 
						
							| 48 | 47 | con4i |  | 
						
							| 49 | 42 48 | syl |  | 
						
							| 50 | 40 42 | eqtr4d |  | 
						
							| 51 |  | eqfunressuc |  | 
						
							| 52 | 26 30 39 41 49 50 51 | syl213anc |  | 
						
							| 53 | 52 | expr |  | 
						
							| 54 | 53 | expr |  | 
						
							| 55 | 54 | a2d |  | 
						
							| 56 | 55 | ralimdva |  | 
						
							| 57 | 56 | impcom |  | 
						
							| 58 | 57 | anassrs |  | 
						
							| 59 |  | dmeq |  | 
						
							| 60 | 59 | eleq2d |  | 
						
							| 61 |  | breq1 |  | 
						
							| 62 | 61 | notbid |  | 
						
							| 63 |  | reseq1 |  | 
						
							| 64 | 63 | eqeq1d |  | 
						
							| 65 | 62 64 | imbi12d |  | 
						
							| 66 | 65 | ralbidv |  | 
						
							| 67 | 60 66 | anbi12d |  | 
						
							| 68 | 67 | rspcev |  | 
						
							| 69 | 10 19 58 68 | syl12anc |  | 
						
							| 70 |  | nodmon |  | 
						
							| 71 | 4 70 | syl |  | 
						
							| 72 | 71 | adantr |  | 
						
							| 73 |  | eleq1 |  | 
						
							| 74 |  | suceq |  | 
						
							| 75 | 74 | reseq2d |  | 
						
							| 76 | 74 | reseq2d |  | 
						
							| 77 | 75 76 | eqeq12d |  | 
						
							| 78 | 77 | imbi2d |  | 
						
							| 79 | 78 | ralbidv |  | 
						
							| 80 | 73 79 | anbi12d |  | 
						
							| 81 | 80 | rexbidv |  | 
						
							| 82 | 81 | elabg |  | 
						
							| 83 | 72 82 | syl |  | 
						
							| 84 | 69 83 | mpbird |  | 
						
							| 85 | 1 | noinfdm |  | 
						
							| 86 | 85 | 3ad2ant1 |  | 
						
							| 87 | 86 | adantl |  | 
						
							| 88 | 87 | adantr |  | 
						
							| 89 | 88 | eleq2d |  | 
						
							| 90 | 84 89 | mpbird |  | 
						
							| 91 | 8 90 | mtand |  | 
						
							| 92 | 91 | neqned |  | 
						
							| 93 |  | rexanali |  | 
						
							| 94 |  | simpr1 |  | 
						
							| 95 |  | simpr2 |  | 
						
							| 96 |  | simplll |  | 
						
							| 97 |  | simpr3 |  | 
						
							| 98 |  | simpll |  | 
						
							| 99 | 94 95 97 98 37 | syl112anc |  | 
						
							| 100 | 1 | noinfbnd1lem4 |  | 
						
							| 101 | 94 95 96 99 100 | syl112anc |  | 
						
							| 102 | 101 | neneqd |  | 
						
							| 103 | 102 | pm2.21d |  | 
						
							| 104 | 1 | noinfbnd1lem3 |  | 
						
							| 105 | 94 95 96 99 104 | syl112anc |  | 
						
							| 106 | 105 | neneqd |  | 
						
							| 107 | 106 | pm2.21d |  | 
						
							| 108 |  | simplr |  | 
						
							| 109 |  | simpr2l |  | 
						
							| 110 | 109 96 | sseldd |  | 
						
							| 111 |  | nofv |  | 
						
							| 112 | 110 111 | syl |  | 
						
							| 113 |  | 3orel3 |  | 
						
							| 114 | 108 112 113 | sylc |  | 
						
							| 115 | 103 107 114 | mpjaod |  | 
						
							| 116 | 115 | ex |  | 
						
							| 117 | 116 | anasss |  | 
						
							| 118 | 117 | rexlimiva |  | 
						
							| 119 | 118 | imp |  | 
						
							| 120 | 93 119 | sylanbr |  | 
						
							| 121 | 92 120 | pm2.61ian |  |