| Step | Hyp | Ref | Expression | 
						
							| 1 |  | decmulnc.n |  | 
						
							| 2 |  | decmulnc.a |  | 
						
							| 3 |  | decmulnc.b |  | 
						
							| 4 |  | eqid | Could not format  ; A B = ; A B : No typesetting found for |- ; A B = ; A B with typecode |- | 
						
							| 5 | 1 3 | nn0mulcli |  | 
						
							| 6 |  | 0nn0 |  | 
						
							| 7 | 1 2 | nn0mulcli |  | 
						
							| 8 | 7 | nn0cni |  | 
						
							| 9 | 8 | addridi |  | 
						
							| 10 | 5 | dec0h | Could not format  ( N x. B ) = ; 0 ( N x. B ) : No typesetting found for |- ( N x. B ) = ; 0 ( N x. B ) with typecode |- | 
						
							| 11 | 1 2 3 4 5 6 9 10 | decmul2c | Could not format  ( N x. ; A B ) = ; ( N x. A ) ( N x. B ) : No typesetting found for |- ( N x. ; A B ) = ; ( N x. A ) ( N x. B ) with typecode |- |