Probably relevant, there has been work on converting feed-forward networks to decision trees e.g. [1]. EDIT: why is this relevant to the parent comment? You ca

Probably relevant, there has been work on converting feed-forward networks to decision trees e.g. [1]. EDIT: why is this relevant to the parent comment? You can learn a neural net, convert it to a tree, and then integrate rules from domain experts. [1] [PDF] https://www.aaai.org/Papers/FLAIRS/2004/Flairs04-089.pdf https://www.aaai.org/Papers/FLAIRS/2004/Flairs04-089.pdf