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typo in L08ne.lean #63

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Jun 11, 2024
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typo in L08ne.lean #63

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2 changes: 1 addition & 1 deletion Game/Levels/Implication/L08ne.lean
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Expand Up @@ -39,7 +39,7 @@ valid is that if `P` is a true-false statement then `P → False`
is the logical opposite of `P`. Indeed `True → False` is false,
and `False → False` is true!

The upshot of this is that use can treat `a ≠ b` in exactly
The upshot of this is that you can treat `a ≠ b` in exactly
the same way as you treat any implication `P → Q`. For example,
if your *goal* is of the form `a ≠ b` then you can make progress
with `intro h`, and if you have a hypothesis `h` of the
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