COM: well fnd begin
COM: well fnd summary
COM: well fnd intro
ABS: WellFnd{i}(A;x,y.R(x;y))
STM: wellfounded wf
COM: INV IMAGE com
STM: inv image ind a
STM: inv image ind tp
STM: inv image ind
COM: WFND FUNCTIONALITY tcom
STM: comb for wellfounded wf
STM: wellfounded functionality wrt implies
STM: wellfounded functionality wrt iff
COM: well fnd end