     "done"
     "enable_pr"
     "end"
+    "equivariance"
     "exit"
     "extract"
     "extract_type"

    "defer_recdef"
    "definition"
    "defs"
    "extract"
    "extract_type"
    "finalconsts"

    "and"
    "assumes"
    "attach"
    "avoids"
    "begin"
    "binder"
    "concl"
