| Step | Hyp | Ref | Expression | 
						
							| 1 |  | etransclem33.s |  | 
						
							| 2 |  | etransclem33.x |  | 
						
							| 3 |  | etransclem33.p |  | 
						
							| 4 |  | etransclem33.m |  | 
						
							| 5 |  | etransclem33.f |  | 
						
							| 6 |  | etransclem33.n |  | 
						
							| 7 |  | eqidd |  | 
						
							| 8 |  | oveq2 |  | 
						
							| 9 | 8 | oveq1d |  | 
						
							| 10 |  | eqeq2 |  | 
						
							| 11 | 9 10 | rabeqbidv |  | 
						
							| 12 | 11 | adantl |  | 
						
							| 13 |  | ovex |  | 
						
							| 14 | 13 | rabex |  | 
						
							| 15 | 14 | a1i |  | 
						
							| 16 | 7 12 6 15 | fvmptd |  | 
						
							| 17 |  | fzfi |  | 
						
							| 18 |  | fzfi |  | 
						
							| 19 |  | mapfi |  | 
						
							| 20 | 17 18 19 | mp2an |  | 
						
							| 21 |  | ssrab2 |  | 
						
							| 22 |  | ssfi |  | 
						
							| 23 | 20 21 22 | mp2an |  | 
						
							| 24 | 16 23 | eqeltrdi |  | 
						
							| 25 | 24 | adantr |  | 
						
							| 26 | 6 | faccld |  | 
						
							| 27 | 26 | nncnd |  | 
						
							| 28 | 27 | ad2antrr |  | 
						
							| 29 | 18 | a1i |  | 
						
							| 30 |  | simpr |  | 
						
							| 31 | 16 | adantr |  | 
						
							| 32 | 30 31 | eleqtrd |  | 
						
							| 33 | 21 32 | sselid |  | 
						
							| 34 |  | elmapi |  | 
						
							| 35 | 33 34 | syl |  | 
						
							| 36 | 35 | ffvelcdmda |  | 
						
							| 37 | 36 | adantllr |  | 
						
							| 38 |  | elfznn0 |  | 
						
							| 39 | 37 38 | syl |  | 
						
							| 40 | 39 | faccld |  | 
						
							| 41 | 40 | nncnd |  | 
						
							| 42 | 29 41 | fprodcl |  | 
						
							| 43 | 40 | nnne0d |  | 
						
							| 44 | 29 41 43 | fprodn0 |  | 
						
							| 45 | 28 42 44 | divcld |  | 
						
							| 46 | 1 | ad3antrrr |  | 
						
							| 47 | 2 | ad3antrrr |  | 
						
							| 48 | 3 | ad3antrrr |  | 
						
							| 49 |  | etransclem5 |  | 
						
							| 50 |  | simpr |  | 
						
							| 51 | 46 47 48 49 50 39 | etransclem20 |  | 
						
							| 52 |  | simpllr |  | 
						
							| 53 | 51 52 | ffvelcdmd |  | 
						
							| 54 | 29 53 | fprodcl |  | 
						
							| 55 | 45 54 | mulcld |  | 
						
							| 56 | 25 55 | fsumcl |  | 
						
							| 57 |  | eqid |  | 
						
							| 58 | 56 57 | fmptd |  | 
						
							| 59 |  | etransclem5 |  | 
						
							| 60 |  | etransclem11 |  | 
						
							| 61 | 1 2 3 4 5 6 59 60 | etransclem30 |  | 
						
							| 62 | 61 | feq1d |  | 
						
							| 63 | 58 62 | mpbird |  |