| Step | Hyp | Ref | Expression | 
						
							| 1 |  | eltsms.b |  | 
						
							| 2 |  | eltsms.j |  | 
						
							| 3 |  | eltsms.s |  | 
						
							| 4 |  | eltsms.1 |  | 
						
							| 5 |  | eltsms.2 |  | 
						
							| 6 |  | eltsms.a |  | 
						
							| 7 |  | eltsms.f |  | 
						
							| 8 |  | eqid |  | 
						
							| 9 | 1 2 3 8 4 6 7 | tsmsval |  | 
						
							| 10 | 9 | eleq2d |  | 
						
							| 11 | 1 2 | istps |  | 
						
							| 12 | 5 11 | sylib |  | 
						
							| 13 |  | eqid |  | 
						
							| 14 | 3 13 8 6 | tsmsfbas |  | 
						
							| 15 | 1 3 4 6 7 | tsmslem1 |  | 
						
							| 16 | 15 | fmpttd |  | 
						
							| 17 |  | eqid |  | 
						
							| 18 | 17 | flffbas |  | 
						
							| 19 | 12 14 16 18 | syl3anc |  | 
						
							| 20 |  | pwexg |  | 
						
							| 21 |  | inex1g |  | 
						
							| 22 | 6 20 21 | 3syl |  | 
						
							| 23 | 3 22 | eqeltrid |  | 
						
							| 24 | 23 | adantr |  | 
						
							| 25 |  | rabexg |  | 
						
							| 26 | 24 25 | syl |  | 
						
							| 27 | 26 | ralrimivw |  | 
						
							| 28 |  | imaeq2 |  | 
						
							| 29 | 28 | sseq1d |  | 
						
							| 30 | 13 29 | rexrnmptw |  | 
						
							| 31 | 27 30 | syl |  | 
						
							| 32 |  | funmpt |  | 
						
							| 33 |  | ssrab2 |  | 
						
							| 34 |  | ovex |  | 
						
							| 35 |  | eqid |  | 
						
							| 36 | 34 35 | dmmpti |  | 
						
							| 37 | 33 36 | sseqtrri |  | 
						
							| 38 |  | funimass3 |  | 
						
							| 39 | 32 37 38 | mp2an |  | 
						
							| 40 | 35 | mptpreima |  | 
						
							| 41 | 40 | sseq2i |  | 
						
							| 42 |  | ss2rab |  | 
						
							| 43 | 39 41 42 | 3bitri |  | 
						
							| 44 | 43 | rexbii |  | 
						
							| 45 | 31 44 | bitrdi |  | 
						
							| 46 | 45 | imbi2d |  | 
						
							| 47 | 46 | ralbidva |  | 
						
							| 48 | 47 | anbi2d |  | 
						
							| 49 | 10 19 48 | 3bitrd |  |