| 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 |  | pntlem1.U |  | 
						
							| 19 |  | pntlem1.K |  | 
						
							| 20 |  | pntlem1.o |  | 
						
							| 21 |  | breq2 |  | 
						
							| 22 |  | oveq2 |  | 
						
							| 23 | 22 | breq1d |  | 
						
							| 24 | 21 23 | anbi12d |  | 
						
							| 25 |  | id |  | 
						
							| 26 | 25 22 | oveq12d |  | 
						
							| 27 | 26 | raleqdv |  | 
						
							| 28 | 24 27 | anbi12d |  | 
						
							| 29 | 28 | cbvrexvw |  | 
						
							| 30 |  | breq1 |  | 
						
							| 31 |  | oveq2 |  | 
						
							| 32 | 31 | breq2d |  | 
						
							| 33 | 30 32 | anbi12d |  | 
						
							| 34 | 33 | anbi1d |  | 
						
							| 35 | 34 | rexbidv |  | 
						
							| 36 | 29 35 | bitrid |  | 
						
							| 37 | 19 | adantr |  | 
						
							| 38 | 1 2 3 4 5 6 7 8 9 10 | pntlemc |  | 
						
							| 39 | 38 | simp2d |  | 
						
							| 40 |  | elfzoelz |  | 
						
							| 41 |  | rpexpcl |  | 
						
							| 42 | 39 40 41 | syl2an |  | 
						
							| 43 | 42 | rpred |  | 
						
							| 44 |  | elfzofz |  | 
						
							| 45 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | pntlemh |  | 
						
							| 46 | 44 45 | sylan2 |  | 
						
							| 47 | 46 | simpld |  | 
						
							| 48 | 12 | simpld |  | 
						
							| 49 | 48 | adantr |  | 
						
							| 50 |  | rpxr |  | 
						
							| 51 |  | elioopnf |  | 
						
							| 52 | 49 50 51 | 3syl |  | 
						
							| 53 | 43 47 52 | mpbir2and |  | 
						
							| 54 | 36 37 53 | rspcdva |  | 
						
							| 55 | 2 | ad2antrr |  | 
						
							| 56 | 3 | ad2antrr |  | 
						
							| 57 | 4 | ad2antrr |  | 
						
							| 58 | 7 | ad2antrr |  | 
						
							| 59 | 8 | ad2antrr |  | 
						
							| 60 | 11 | ad2antrr |  | 
						
							| 61 | 12 | ad2antrr |  | 
						
							| 62 | 13 | ad2antrr |  | 
						
							| 63 | 15 | ad2antrr |  | 
						
							| 64 | 18 | ad2antrr |  | 
						
							| 65 | 19 | ad2antrr |  | 
						
							| 66 |  | simprl |  | 
						
							| 67 |  | simprr |  | 
						
							| 68 |  | simplr |  | 
						
							| 69 |  | eqid |  | 
						
							| 70 | 1 55 56 57 5 6 58 59 9 10 60 61 62 14 63 16 17 64 65 20 66 67 68 69 | pntlemj |  | 
						
							| 71 | 54 70 | rexlimddv |  |