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[Merged by Bors] - docs(set_theory/game/pgame): Fix note on pgame #13880

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[Merged by Bors] - docs(set_theory/game/pgame): Fix note on pgame #13880

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860d880
Update pgame.lean
vihdzp May 2, 2022
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Update src/set_theory/game/pgame.lean
vihdzp May 2, 2022
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2 changes: 1 addition & 1 deletion src/set_theory/game/pgame.lean
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Expand Up @@ -109,7 +109,7 @@ open function
universes u

/-- The type of pre-games, before we have quotiented
by extensionality. In ZFC, a combinatorial game is constructed from
by equivalence (`pgame.setoid`). In ZFC, a combinatorial game is constructed from
two sets of combinatorial games that have been constructed at an earlier
stage. To do this in type theory, we say that a pre-game is built
inductively from two families of pre-games indexed over any type
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