Authors composing entries for the SEP sometimes need to make use of special symbols which are not found in the standard ASCII character set. Many of these special symbols are now widely supported in web browsers such as Firefox, Safari, Internet Explorer, etc. We have done some testing and have established the a list of "safe" symbols which you can find at the following link:

Widely Supported HTML4 and Unicode Characters

For those symbols which are not widely supported, authors should use the following graphic images of the characters:

Special Symbols Not Widely Supported

Logical Symbols

Symbol	Name	Symbol	Name	Symbol	Name
	fishhook.jpg		vertical-bar11.gif		varphi.jpg
	dproves.jpg		not-dproves.jpg		boxarrow.jpg

Mathematical Symbols

Symbol	Name	Symbol	Name	Symbol	Name
	frak-A.jpg		Num.jpg		mapsto.jpg
	circ.jpg		nearrow.jpg		searrow.jpg
	nwarrow.jpg		swarrow.jpg

Note: Authors who need other special symbols for their entry should send email to the Editors.