A successful defence of the thesis, which was examined by Borsuk and Kuratowski, saw Warner complete, fifteen years after she became a research student at Oxford, the task she had set out on.
Ang isang matagumpay na pagtatanggol ng tisis, na kung saan ay napagmasdan sa pamamagitan ng Borsuk at Kuratowski, nakakita Warner kumpleto, labing-limang taon matapos na siya ay naging isang pananaliksik ng mag-aaral sa Oxford, ang gawain siya had set out on.