diff --git a/wikidict/svg_cache.py b/wikidict/svg_cache.py
index 19faf429..6ad645ed 100644
--- a/wikidict/svg_cache.py
+++ b/wikidict/svg_cache.py
@@ -1338,6 +1338,7 @@
"a \\in I, b \\in I": '',
"a \\in I, b \\notin I": '',
"a \\in K": '',
+ "a \\in \\Re": '',
"a \\in a": '',
"a \\in i, b \\in i": '',
"a \\in i, b \\notin i": '',
@@ -1648,6 +1649,7 @@
"i \\ne j": '',
"i j = j i = k, \\quad i^2 = -1, \\quad j^2 = +1 .": '',
"i neq j": '',
+ "i, j, k": '',
"i, j, k \\in \\{u, v\\}": '',
"i=\\sqrt{-1}": '',
"i=j": '',
@@ -1701,6 +1703,7 @@
"n \\circ f = n \\circ g": '',
"n \\ge 0": '',
"n \\ge 2": '',
+ "n \\in Z": '',
"n \\in \\mathbb{N^+}": '',
"n \\in \\mathbb{N}_0": '',
"n \\rightarrow \\infty": '',
@@ -1873,6 +1876,7 @@
"x^4+x^2y^2+y^4=x(x^2+y^2) \\,": '',
"x^TAx\\geq 0": '',
"x^n": '',
+ "x^n = a": '',
"x^n+y^n=z^n": '',
"x^n+y^n=z^n \\,": '',
"x^y": '',