3a42ee0c30
This PR implements the following `grind` improvements: 1. `set_option` can now be used to set `grind` configuration options in the interactive mode. 2. Fixes a bug in the repeated theorem instantiation detection. 3. Adds the macro `use [...]` as a shorthand for `instantiate only [...]`.
12 lines
380 B
Text
12 lines
380 B
Text
opaque f : Nat → Nat
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opaque g : Nat → Nat
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theorem fax : f (x + 1) = g (f x) := sorry
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/--
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error: `instantiate` tactic failed to instantiate new facts, use `show_patterns` to see active theorems and their patterns.
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-/
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#guard_msgs in
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example : f (x + 5) = a := by
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grind =>
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use [fax]; use [fax]; use [fax]; use [fax]; use [fax];
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use [fax] -- Should fail - no new facts
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