| Step | Hyp | Ref | Expression | 
						
							| 1 |  | dicvaddcl.l |  | 
						
							| 2 |  | dicvaddcl.a |  | 
						
							| 3 |  | dicvaddcl.h |  | 
						
							| 4 |  | dicvaddcl.u |  | 
						
							| 5 |  | dicvaddcl.i |  | 
						
							| 6 |  | dicvaddcl.p |  | 
						
							| 7 |  | simp1 |  | 
						
							| 8 |  | eqid |  | 
						
							| 9 | 1 2 3 5 4 8 | dicssdvh |  | 
						
							| 10 |  | eqid |  | 
						
							| 11 |  | eqid |  | 
						
							| 12 | 3 10 11 4 8 | dvhvbase |  | 
						
							| 13 | 12 | eqcomd |  | 
						
							| 14 | 13 | adantr |  | 
						
							| 15 | 9 14 | sseqtrrd |  | 
						
							| 16 | 15 | 3adant3 |  | 
						
							| 17 |  | simp3l |  | 
						
							| 18 | 16 17 | sseldd |  | 
						
							| 19 |  | simp3r |  | 
						
							| 20 | 16 19 | sseldd |  | 
						
							| 21 |  | eqid |  | 
						
							| 22 |  | eqid |  | 
						
							| 23 | 3 10 11 4 21 6 22 | dvhvadd |  | 
						
							| 24 | 7 18 20 23 | syl12anc |  | 
						
							| 25 | 1 2 3 11 5 | dicelval2nd |  | 
						
							| 26 | 25 | 3adant3r |  | 
						
							| 27 | 1 2 3 11 5 | dicelval2nd |  | 
						
							| 28 | 27 | 3adant3l |  | 
						
							| 29 |  | eqid |  | 
						
							| 30 | 1 29 2 3 | lhpocnel |  | 
						
							| 31 | 30 | 3ad2ant1 |  | 
						
							| 32 |  | simp2 |  | 
						
							| 33 |  | eqid |  | 
						
							| 34 | 1 2 3 10 33 | ltrniotacl |  | 
						
							| 35 | 7 31 32 34 | syl3anc |  | 
						
							| 36 |  | eqid |  | 
						
							| 37 | 10 36 | tendospdi2 |  | 
						
							| 38 | 26 28 35 37 | syl3anc |  | 
						
							| 39 | 3 10 11 4 21 36 22 | dvhfplusr |  | 
						
							| 40 | 39 | 3ad2ant1 |  | 
						
							| 41 | 40 | oveqd |  | 
						
							| 42 | 41 | fveq1d |  | 
						
							| 43 |  | eqid |  | 
						
							| 44 | 1 2 3 43 10 5 | dicelval1sta |  | 
						
							| 45 | 44 | 3adant3r |  | 
						
							| 46 | 1 2 3 43 10 5 | dicelval1sta |  | 
						
							| 47 | 46 | 3adant3l |  | 
						
							| 48 | 45 47 | coeq12d |  | 
						
							| 49 | 38 42 48 | 3eqtr4rd |  | 
						
							| 50 | 3 10 11 36 | tendoplcl |  | 
						
							| 51 | 7 26 28 50 | syl3anc |  | 
						
							| 52 | 41 51 | eqeltrd |  | 
						
							| 53 |  | fvex |  | 
						
							| 54 |  | fvex |  | 
						
							| 55 | 53 54 | coex |  | 
						
							| 56 |  | ovex |  | 
						
							| 57 | 1 2 3 43 10 11 5 55 56 | dicopelval |  | 
						
							| 58 | 57 | 3adant3 |  | 
						
							| 59 | 49 52 58 | mpbir2and |  | 
						
							| 60 | 24 59 | eqeltrd |  |