feat: let +generalize
#8935
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feat: let +generalize
#8935
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This PR adds the `+generalize` option to the `let` and `have` syntaxes. For example, `have +generalize n := a + b; body` replaces all instances of `a + b` in the expected type with `n` when elaborating `body`. This can be likened to a term version of the `generalize` tactic. One can combine this with `eq` in `have +generalize (eq := h) n := a + b; body` as an analogue to `generalize h : n = a + b`.
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wkrozowski
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Jun 24, 2025
This PR adds the `+generalize` option to the `let` and `have` syntaxes. For example, `have +generalize n := a + b; body` replaces all instances of `a + b` in the expected type with `n` when elaborating `body`. This can be likened to a term version of the `generalize` tactic. One can combine this with `eq` in `have +generalize (eq := h) n := a + b; body` as an analogue of `generalize h : n = a + b`.
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This PR adds the
+generalizeoption to theletandhavesyntaxes. For example,have +generalize n := a + b; bodyreplaces all instances ofa + bin the expected type withnwhen elaboratingbody. This can be likened to a term version of thegeneralizetactic. One can combine this witheqinhave +generalize (eq := h) n := a + b; bodyas an analogue ofgeneralize h : n = a + b.