how to discover new lemma or guess or search the next lemma which want to be proved in Isabelle -


i not have example, googled people can use isabelle search lemma , discover new lemma isabelle

do not know give hints discover or search next lemma after current lemma proved automatically

can give examples how discover lemmas?

johansson et al. have presented system theory exploration, is, coming lemmas based on definitions. can find implementation on github , paper on arxiv. in paper, find lot of examples. drawback that, far can tell, implementation works isabelle2013-2.

johansson, moa, et al. "hipster: integrating theory exploration in proof assistant." intelligent computer mathematics. springer international publishing, 2014. 108-122.


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