| Step | Hyp | Ref | Expression | 
						
							| 1 |  | qlaxr3.1 |  | 
						
							| 2 |  | qlaxr3.2 |  | 
						
							| 3 |  | qlaxr3.3 |  | 
						
							| 4 |  | qlaxr3.4 |  | 
						
							| 5 | 1 2 | chjcli |  | 
						
							| 6 | 5 | chshii |  | 
						
							| 7 | 1 2 | chub1i |  | 
						
							| 8 |  | incom |  | 
						
							| 9 | 1 | choccli |  | 
						
							| 10 | 2 | choccli |  | 
						
							| 11 | 1 2 | cmj1i |  | 
						
							| 12 | 1 5 11 | cmcmii |  | 
						
							| 13 | 5 1 12 | cmcm2ii |  | 
						
							| 14 | 1 2 | cmj2i |  | 
						
							| 15 | 2 5 14 | cmcmii |  | 
						
							| 16 | 5 2 15 | cmcm2ii |  | 
						
							| 17 | 5 9 10 13 16 | fh1i |  | 
						
							| 18 | 8 17 | eqtr3i |  | 
						
							| 19 | 3 | chjoi |  | 
						
							| 20 | 19 4 | eqtr3i |  | 
						
							| 21 |  | choc0 |  | 
						
							| 22 | 9 10 | chjcli |  | 
						
							| 23 | 22 5 | chdmm1i |  | 
						
							| 24 | 20 21 23 | 3eqtr4i |  | 
						
							| 25 | 22 5 | chincli |  | 
						
							| 26 |  | h0elch |  | 
						
							| 27 | 25 26 | chcon3i |  | 
						
							| 28 | 24 27 | mpbir |  | 
						
							| 29 | 18 28 | eqtr3i |  | 
						
							| 30 | 5 9 | chincli |  | 
						
							| 31 | 5 10 | chincli |  | 
						
							| 32 | 30 31 | chj00i |  | 
						
							| 33 | 29 32 | mpbir |  | 
						
							| 34 | 33 | simpli |  | 
						
							| 35 | 1 6 7 34 | omlsii |  | 
						
							| 36 | 2 1 | chub2i |  | 
						
							| 37 | 33 | simpri |  | 
						
							| 38 | 2 6 36 37 | omlsii |  | 
						
							| 39 | 35 38 | eqtr4i |  |