| Step | Hyp | Ref | Expression | 
						
							| 1 |  | lukshef-ax1 |  |-  ( ( ps -/\ ( ch -/\ ph ) ) -/\ ( ( th -/\ ( th -/\ th ) ) -/\ ( ( th -/\ ch ) -/\ ( ( ps -/\ th ) -/\ ( ps -/\ th ) ) ) ) ) | 
						
							| 2 |  | lukshef-ax1 |  |-  ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ ( ( th -/\ ( th -/\ th ) ) -/\ ( ( th -/\ ch ) -/\ ( ( ps -/\ th ) -/\ ( ps -/\ th ) ) ) ) ) -/\ ( ( th -/\ ( th -/\ th ) ) -/\ ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) ) ) | 
						
							| 3 | 1 2 | nic-mp |  |-  ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) | 
						
							| 4 |  | lukshefth1 |  |-  ( ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ph -/\ ( ph -/\ ph ) ) ) | 
						
							| 5 |  | lukshef-ax1 |  |-  ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) -/\ ( ( ph -/\ ( ph -/\ ph ) ) -/\ ( ( ph -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) -/\ ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ph ) -/\ ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ph ) ) ) ) ) | 
						
							| 6 |  | lukshef-ax1 |  |-  ( ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) -/\ ( ( ph -/\ ( ph -/\ ph ) ) -/\ ( ( ph -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) -/\ ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ph ) -/\ ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ph ) ) ) ) ) -/\ ( ( ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) ) ) -/\ ( ( ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ph -/\ ( ph -/\ ph ) ) ) -/\ ( ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) -/\ ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) ) -/\ ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) -/\ ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) ) ) ) ) ) | 
						
							| 7 | 5 6 | nic-mp |  |-  ( ( ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ph -/\ ( ph -/\ ph ) ) ) -/\ ( ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) -/\ ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) ) -/\ ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) -/\ ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) ) ) ) | 
						
							| 8 | 4 7 | nic-mp |  |-  ( ( ( th -/\ ( th -/\ ( th -/\ th ) ) ) -/\ ( ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) -/\ ( ( ps -/\ ( ch -/\ ph ) ) -/\ th ) ) ) -/\ ( ( ( ta -/\ ph ) -/\ ( ( ph -/\ ta ) -/\ ( ph -/\ ta ) ) ) -/\ ( th -/\ ( th -/\ th ) ) ) ) | 
						
							| 9 | 3 8 | nic-mp |  |-  ( th -/\ ( th -/\ th ) ) | 
						
							| 10 |  | lukshef-ax1 |  |-  ( ( th -/\ ( th -/\ th ) ) -/\ ( ( ta -/\ ( ta -/\ ta ) ) -/\ ( ( ta -/\ th ) -/\ ( ( th -/\ ta ) -/\ ( th -/\ ta ) ) ) ) ) | 
						
							| 11 | 9 10 | nic-mp |  |-  ( ( ta -/\ th ) -/\ ( ( th -/\ ta ) -/\ ( th -/\ ta ) ) ) |