↔ Order by name | ↔ Order by year | ↔ Order by year reverse | ↔ Order by Type | ↔ Order by Sammet category |
PDC-Prolog | ⊕ 1995 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Denmark | |
Turbo Prolog | ⊕ 1986 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Denmark | |
Visual Prolog | ⊕ 1996 | ↓ ↑ ⊕ String and List Processing | ⊕ Horn clause | ⊕ Denmark |