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-rw-r--r--pygments/lexers/theorem.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/pygments/lexers/theorem.py b/pygments/lexers/theorem.py
index b8b08b53..addf4186 100644
--- a/pygments/lexers/theorem.py
+++ b/pygments/lexers/theorem.py
@@ -420,7 +420,7 @@ class LeanLexer(RegexLexer):
'-.', '->', '.', '..', '...', '::', ':>', ';', ';;', '<',
'<-', '=', '==', '>', '_', '`', '|', '||', '~', '=>', '<=', '>=',
'/\\', '\\/', u'∀', u'Π', u'λ', u'↔', u'∧', u'∨', u'≠', u'≤', u'≥',
- u'¬', u'⁻¹', u'⬝', u'▸', u'→', u'∃', u'ℕ', u'ℤ', u'≈', u'×'
+ u'¬', u'⁻¹', u'⬝', u'▸', u'→', u'∃', u'ℕ', u'ℤ', u'≈', u'×', u'⌞', u'⌟', u'≡'
)
word_operators = ('and', 'or', 'not', 'iff', 'eq')