| Step | Hyp | Ref | Expression | 
						
							| 1 |  | cdlemk1.b |  | 
						
							| 2 |  | cdlemk1.l |  | 
						
							| 3 |  | cdlemk1.j |  | 
						
							| 4 |  | cdlemk1.m |  | 
						
							| 5 |  | cdlemk1.a |  | 
						
							| 6 |  | cdlemk1.h |  | 
						
							| 7 |  | cdlemk1.t |  | 
						
							| 8 |  | cdlemk1.r |  | 
						
							| 9 |  | cdlemk1.s |  | 
						
							| 10 |  | cdlemk1.o |  | 
						
							| 11 | 1 2 3 4 5 6 7 8 9 10 | cdlemk13 |  | 
						
							| 12 |  | simp11l |  | 
						
							| 13 | 12 | hllatd |  | 
						
							| 14 |  | simp22l |  | 
						
							| 15 |  | simp11 |  | 
						
							| 16 |  | simp13 |  | 
						
							| 17 |  | simp32 |  | 
						
							| 18 | 1 5 6 7 8 | trlnidat |  | 
						
							| 19 | 15 16 17 18 | syl3anc |  | 
						
							| 20 | 1 3 5 | hlatjcl |  | 
						
							| 21 | 12 14 19 20 | syl3anc |  | 
						
							| 22 |  | simp21 |  | 
						
							| 23 | 2 5 6 7 | ltrnat |  | 
						
							| 24 | 15 22 14 23 | syl3anc |  | 
						
							| 25 |  | simp12 |  | 
						
							| 26 |  | simp33 |  | 
						
							| 27 | 5 6 7 8 | trlcocnvat |  | 
						
							| 28 | 15 16 25 26 27 | syl121anc |  | 
						
							| 29 | 1 3 5 | hlatjcl |  | 
						
							| 30 | 12 24 28 29 | syl3anc |  | 
						
							| 31 | 1 2 4 | latmle2 |  | 
						
							| 32 | 13 21 30 31 | syl3anc |  | 
						
							| 33 | 11 32 | eqbrtrd |  | 
						
							| 34 | 10 | fveq1i |  | 
						
							| 35 | 1 2 3 5 6 7 8 4 9 | cdlemksat |  | 
						
							| 36 | 34 35 | eqeltrid |  | 
						
							| 37 | 6 7 | ltrncnv |  | 
						
							| 38 | 15 25 37 | syl2anc |  | 
						
							| 39 | 6 7 | ltrnco |  | 
						
							| 40 | 15 16 38 39 | syl3anc |  | 
						
							| 41 | 2 6 7 8 | trlle |  | 
						
							| 42 | 15 40 41 | syl2anc |  | 
						
							| 43 | 1 2 3 4 5 6 7 8 9 10 | cdlemkoatnle |  | 
						
							| 44 | 43 | simprd |  | 
						
							| 45 |  | nbrne2 |  | 
						
							| 46 | 42 44 45 | syl2anc |  | 
						
							| 47 | 46 | necomd |  | 
						
							| 48 | 2 3 5 | hlatexch2 |  | 
						
							| 49 | 12 36 24 28 47 48 | syl131anc |  | 
						
							| 50 | 33 49 | mpd |  | 
						
							| 51 | 6 7 8 | trlcocnv |  | 
						
							| 52 | 15 16 25 51 | syl3anc |  | 
						
							| 53 | 52 | oveq2d |  | 
						
							| 54 | 50 53 | breqtrd |  |