| 61A3B |  ?SEMI | ( T → :: ;              )
 ( F → :: <ob1> <rest> ; ) | 
| 61A2C |  NOT?SEMI | ( T → :: <ob1> <rest> ; )
 ( F → :: ;              ) | 
| 638E4 |  ?SEMIDROP | ( ob T → :: ob ;           )
 ( ob F → :: <ob1> <rest> ; ) | 
| 61B72 |  NOT?DROP | ( ob T → :: ob <ob1> <rest> ; )
 ( ob F → :: <ob1> <rest> ;    ) | 
| 62F1B |  ?SWAP | ( ob1 ob2 T → :: ob2 ob1 <ob1> <rest> ; )
 ( ob1 ob2 F → :: ob1 ob2 <ob1> <rest> ; ) | 
| 62D9F |  ?SKIPSWAP | ( ob1 ob2 T → :: ob1 ob2 <ob1> <rest> ; )
 ( ob1 ob2 F → :: ob2 ob1 <ob1> <rest> ; ) | 
| 62F5C |  ?SWAPDROP | ( ob1 ob2 T → :: ob1 <ob1> <rest> ; )
 ( ob1 ob2 F → :: ob2 <ob1> <rest> ; ) | 
| 62F43 |  NOT?SWAPDROP | ( ob1 ob2 T → :: ob2 <ob1> <rest> ; )
 ( ob1 ob2 F → :: ob1 <ob1> <rest> ; ) | 
| 070FD |  RPIT | ( T ob → :: ob <ob1> <rest> ; )
 ( F ob → :: <ob1> <rest> ;    )ob is actually executed, and not pushed in
the stack.
 | 
| 070C3 |  RPITE | ( T ob1 ob2 → :: ob1 <ob1> <rest> ; )
 ( F ob1 ob2 → ob2 <ob1> <rest> ;    )ob1 or ob2 is actually executed, and not
pushed in the stack.
 | 
| 61A8E |  COLARPITE | ( T ob1 ob2 → :: ob1 ; )
 ( F ob1 ob2 → :: ob2 ; )ob1 or ob2 is actually executed, and not
pushed in the stack.
 | 
| 61AE9 |  2'RCOLARPITE | Return to composite and ITEthere. | 
| 619BC |  IT | ( T → :: <ob1> <rest> ; )
 ( F → :: <ob2> <rest> ; ) | 
| 0712A |  ?SKIP | ( T → :: <ob2> <rest> ; )
 ( F → :: <ob1> <rest> ; )aka:
 NOT_IT | 
| 61AD8 |  ITE | ( T → :: <ob1> <ob3> <rest> ; )
 ( F → :: <ob2> <rest> ;       ) | 
| 6381C |  COLAITE | ( T → :: <ob1> ; )
 ( F → :: <ob2> ; ) | 
| 61A58 |  ITE_DROP | ( ob T → :: <ob2> <rest> ;    )
 ( ob F → :: ob <ob1> <rest> ; ) | 
| 63E61 |  ANDITE | ( f1 f2 → :: <ob1> <ob3> <rest> ; )
 ( f1 f2 → :: <ob2> <rest> ;       ) | 
| 61993 |  case | ( T → :: <ob1> ;        )
 ( F → :: <ob2> <rest> ; ) | 
| 619AD |  NOTcase | ( T → :: <ob2> <rest> ; )
 ( F → :: <ob1> ;        ) | 
| 63CEA |  ANDcase | ( f1 f2 → :: <ob1> ;        )
 ( f1 f2 → :: <ob2> <rest> ; ) | 
| 63DDF |  ANDNOTcase | ( f1 f2 → :: <ob1> ;        )
 ( f1 f2 → :: <ob2> <rest> ; ) | 
| 629BC |  ORcase | ( f1 f2 → :: <ob1> ;        )
 ( f1 f2 → :: <ob2> <rest> ; ) | 
| 618F7 |  casedrop | ( ob T → :: <ob1> ;           )
 ( ob F → :: ob <ob2> <rest> ; ) | 
| 618E8 |  NOTcasedrop | ( ob T → :: ob <ob2> <rest> ; )
 ( ob F → :: <ob1> ;           ) | 
| 6191F |  case2drop | ( ob1 ob2 T → :: <ob1> ;                )
 ( ob1 ob2 F → :: ob1 ob2 <ob2> <rest> ; ) | 
| 61910 |  NOTcase2drop | ( ob1 ob2 T → :: ob1 ob2 <ob2> <rest> ; )
 ( ob1 ob2 F → :: <ob1> ;                ) | 
| 6194B |  caseDROP | ( ob T → :: ;                 )
 ( ob F → :: ob <ob1> <rest> ; ) | 
| 61960 |  NOTcaseDROP | ( ob T → :: ob <ob1> <rest> ; )
 ( ob F → :: ;                 ) | 
| 638B2 |  casedrptru | ( ob T → T                    )
 ( ob F → :: ob <ob1> <rest> ; )Note: should be called
 caseDRPTRU. | 
| 6356A |  casedrpfls | ( ob T → F                    )
 ( ob F → :: ob <ob1> <rest> ; )Note: should be called
 caseDRPFLS. | 
| 63AEC |  NOTcsdrpfls | ( ob T → :: ob <ob1> <rest> ; )
 ( ob F → F                    )Note: should be called
 NOTcaseDRPFLS. | 
| 61970 |  case2DROP | ( ob1 ob2 T → :: ;                      )
 ( ob1 ob2 F → :: ob1 ob2 <ob1> <rest> ; ) | 
| 61984 |  NOTcase2DROP | ( ob1 ob2 T → :: ob1 ob2 <ob1> <rest> ; )
 ( ob1 ob2 F → :: ;                      ) | 
| 63583 |  case2drpfls | ( ob1 ob2 T → F                         )
 ( ob1 ob2 F → :: ob1 ob2 <ob1> <rest> ; )Note: should be called
 case2DRPFLS. | 
| 634E3 |  caseTRUE | ( T → T                 )
 ( F → :: <ob1> <rest> ; ) | 
| 638CB |  NOTcaseTRUE | ( T → :: <ob1> <rest> ; )
 ( F → T                 ) | 
| 6359C |  caseFALSE | ( T → F                 )
 ( F → :: <ob1> <rest> ; ) | 
| 5FB49 |  NOTcaseFALSE | ( T → :: <ob1> <rest> ; )
 ( F → F                 ) | 
| 62986 |  COLAcase | ( T → :: <ob1> ;        )
 ( F → :: <ob2> <rest> ; )Drops the rest of current stream and executes
 casein the stream above. | 
| 629A1 |  COLANOTcase | ( T → :: <ob2> <rest> ; )
 ( F → :: <ob1> ;        )Drops the rest of current stream and executes
 NOTcasein the stream above. |