     "hints"
     "in"
     "induction"
+    "infix"
     "infixl"
     "infixr"
     "initially"

    "print_commands"
    "print_context"
    "print_facts"
    "print_methods"
    "print_simpset"
    "print_syntax"

    "print_commands"
    "print_context"
    "print_facts"
    "print_induct_rules"
    "print_methods"
    "print_simpset"
    "print_syntax"
