+ let reflexivityb =
+ GButton.button ~label:"Reflexivity"
+ ~packing:(hbox4#pack ~expand:false ~fill:false ~padding:5) () in
+ let symmetryb =
+ GButton.button ~label:"Symmetry"
+ ~packing:(hbox4#pack ~expand:false ~fill:false ~padding:5) () in
+ let transitivityb =
+ GButton.button ~label:"Transitivity"
+ ~packing:(hbox4#pack ~expand:false ~fill:false ~padding:5) () in
+ let leftb =
+ GButton.button ~label:"Left"
+ ~packing:(hbox4#pack ~expand:false ~fill:false ~padding:5) () in
+ let rightb =
+ GButton.button ~label:"Right"
+ ~packing:(hbox4#pack ~expand:false ~fill:false ~padding:5) () in
+ let assumptionb =
+ GButton.button ~label:"Assumption"
+ ~packing:(hbox4#pack ~expand:false ~fill:false ~padding:5) () in
+ let prova_tatticalib =
+ GButton.button ~label:"Prova_tatticali"
+ ~packing:(hbox4#pack ~expand:false ~fill:false ~padding:5) () in