While in mathematics a keen and novel blank" >target="_blank" >interest arose in questions of proof and the blank" >basing of the whole blank" >target="_blank" >system on axiomatic blank" >target="_blank" >glossary/foundations/" class="glossaryLink" data-cmtooltip="43b4fc3b86273ccbce88dd4e2f3f89a6" blank" >target="_blank" >foundations. (Boardman, 1986)