notation > "hvbox({ ident i | term 19 p })" with precedence 90
for @{ 'subset (\lambda ${ident i}. $p)}.
-notation < "hvbox({ ident i ∈ s | term 19 p })" with precedence 90
+notation < "hvbox({ ident i ∈ term 19 s | term 19 p })" with precedence 90
for @{ 'comprehension $s (\lambda ${ident i} : $nonexistent . $p)}.
-notation > "hvbox({ ident i ∈ s | term 19 p })" with precedence 90
+notation > "hvbox({ ident i ∈ term 19 s | term 19 p })" with precedence 90
for @{ 'comprehension $s (\lambda ${ident i}. $p)}.
notation "hvbox(a break ∈ b)" non associative with precedence 45
for @{ 'mem $a $b }.
+notation "hvbox(a break ∉ b)" non associative with precedence 45
+for @{ 'notmem $a $b }.
+
notation "hvbox(a break ≬ b)" non associative with precedence 45
for @{ 'overlaps $a $b }. (* \between *)