| Step | Hyp | Ref | Expression | 
						
							| 1 |  | ernggrp.h-r |  | 
						
							| 2 |  | ernggrp.d-r |  | 
						
							| 3 |  | ernggrplem.b-r |  | 
						
							| 4 |  | ernggrplem.t-r |  | 
						
							| 5 |  | ernggrplem.e-r |  | 
						
							| 6 |  | ernggrplem.p-r |  | 
						
							| 7 |  | ernggrplem.o-r |  | 
						
							| 8 |  | ernggrplem.i-r |  | 
						
							| 9 |  | erngrnglem.m-r |  | 
						
							| 10 |  | eqid |  | 
						
							| 11 | 1 4 5 2 10 | erngbase-rN |  | 
						
							| 12 | 11 | eqcomd |  | 
						
							| 13 |  | eqid |  | 
						
							| 14 | 1 4 5 2 13 | erngfplus-rN |  | 
						
							| 15 | 6 14 | eqtr4id |  | 
						
							| 16 |  | eqid |  | 
						
							| 17 | 1 4 5 2 16 | erngfmul-rN |  | 
						
							| 18 | 9 17 | eqtr4id |  | 
						
							| 19 | 1 2 3 4 5 6 7 8 | erngdvlem1-rN |  | 
						
							| 20 | 18 | oveqd |  | 
						
							| 21 | 20 | 3ad2ant1 |  | 
						
							| 22 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 23 | 22 | 3impb |  | 
						
							| 24 | 21 23 | eqtrd |  | 
						
							| 25 | 1 5 | tendococl |  | 
						
							| 26 | 25 | 3com23 |  | 
						
							| 27 | 24 26 | eqeltrd |  | 
						
							| 28 | 18 | oveqdr |  | 
						
							| 29 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 30 | 29 | 3adantr1 |  | 
						
							| 31 | 28 30 | eqtrd |  | 
						
							| 32 | 31 | coeq1d |  | 
						
							| 33 | 18 | oveqd |  | 
						
							| 34 | 33 | adantr |  | 
						
							| 35 |  | simpl |  | 
						
							| 36 |  | simpr1 |  | 
						
							| 37 |  | simpr3 |  | 
						
							| 38 |  | simpr2 |  | 
						
							| 39 | 1 5 | tendococl |  | 
						
							| 40 | 35 37 38 39 | syl3anc |  | 
						
							| 41 | 31 40 | eqeltrd |  | 
						
							| 42 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 43 | 35 36 41 42 | syl12anc |  | 
						
							| 44 | 34 43 | eqtrd |  | 
						
							| 45 | 18 | oveqd |  | 
						
							| 46 | 45 | adantr |  | 
						
							| 47 | 27 | 3adant3r3 |  | 
						
							| 48 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 49 | 35 47 37 48 | syl12anc |  | 
						
							| 50 | 18 | oveqdr |  | 
						
							| 51 | 22 | 3adantr3 |  | 
						
							| 52 | 50 51 | eqtrd |  | 
						
							| 53 | 52 | coeq2d |  | 
						
							| 54 | 46 49 53 | 3eqtrd |  | 
						
							| 55 |  | coass |  | 
						
							| 56 | 54 55 | eqtr4di |  | 
						
							| 57 | 32 44 56 | 3eqtr4rd |  | 
						
							| 58 | 1 4 5 6 | tendodi2 |  | 
						
							| 59 | 35 38 37 36 58 | syl13anc |  | 
						
							| 60 | 18 | oveqd |  | 
						
							| 61 | 60 | adantr |  | 
						
							| 62 | 1 4 5 6 | tendoplcl |  | 
						
							| 63 | 35 38 37 62 | syl3anc |  | 
						
							| 64 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 65 | 35 36 63 64 | syl12anc |  | 
						
							| 66 | 61 65 | eqtrd |  | 
						
							| 67 | 18 | oveqdr |  | 
						
							| 68 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 69 | 68 | 3adantr2 |  | 
						
							| 70 | 67 69 | eqtrd |  | 
						
							| 71 | 52 70 | oveq12d |  | 
						
							| 72 | 59 66 71 | 3eqtr4d |  | 
						
							| 73 | 1 4 5 6 | tendodi1 |  | 
						
							| 74 | 35 37 36 38 73 | syl13anc |  | 
						
							| 75 | 18 | adantr |  | 
						
							| 76 | 75 | oveqd |  | 
						
							| 77 | 1 4 5 6 | tendoplcl |  | 
						
							| 78 | 77 | 3adant3r3 |  | 
						
							| 79 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 80 | 35 78 37 79 | syl12anc |  | 
						
							| 81 | 76 80 | eqtrd |  | 
						
							| 82 | 70 31 | oveq12d |  | 
						
							| 83 | 74 81 82 | 3eqtr4d |  | 
						
							| 84 | 1 4 5 | tendoidcl |  | 
						
							| 85 | 18 | oveqd |  | 
						
							| 86 | 85 | adantr |  | 
						
							| 87 |  | simpl |  | 
						
							| 88 | 84 | adantr |  | 
						
							| 89 |  | simpr |  | 
						
							| 90 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 91 | 87 88 89 90 | syl12anc |  | 
						
							| 92 | 1 4 5 | tendo1mulr |  | 
						
							| 93 | 86 91 92 | 3eqtrd |  | 
						
							| 94 | 18 | oveqd |  | 
						
							| 95 | 94 | adantr |  | 
						
							| 96 | 1 4 5 2 16 | erngmul-rN |  | 
						
							| 97 | 87 89 88 96 | syl12anc |  | 
						
							| 98 | 1 4 5 | tendo1mul |  | 
						
							| 99 | 95 97 98 | 3eqtrd |  | 
						
							| 100 | 12 15 18 19 27 57 72 83 84 93 99 | isringd |  |