Subject	function
Predicate	be symmetric about
Object	y = x
Modality	Modality Occurrences some[subj/inverse] 2
Polarity	POSITIVE
Plausibility	0.0088
Neighborhood Sigma	0.0088
Local Sigma	0.0143
Example Sentences	Sentence Occurrences Source inverse functions are symmetric about y = x 2 Google Autocomplete