Different types and argumentative uses of conditionals (if-then) have been distinguished in the literature, but their applicability to actual language use is rarely evaluated.
As 'the proof of the pudding is in the eating', my new paper in Argumentation (Springer) entitled 'Assessing Classification Reliability of Conditionals in Discourse' addresses this issue by means of an experiment in which the inter-rater reliability of classifications applied to natural-language corpora was assessed.
New publication in Argumentation: 'Assessing Classification Reliability of Conditionals in Discourse'
You can find the paper (open access) in Argumentation here: https://rdcu.be/c9nO4.