#Does not equal sign latex code#
Of course, wrapping \centernot\implies inside a \notimplies macro like Werner did is a good idea. The respective Unicode code chart shows it with the name ESTIMATES and the annotation corresponds to. Finally, in the third line (which uses \implies), the additional space highlights the arrow from the rest and so improves the readability of the formula.Ĭoncerning your second question, the simplest way to negate nearly any symbol whatever its length is to use \centernot from the centernot package: The second line uses \Longrightarrow and is better, but there's not enough space to set the arrow apart from the surrounding symbols (the two inequalities are spaced as much as the arrow). The first line uses \Rightarrow and is the least legible because the main part of the formula (the implication) is difficult to identify. Knuth specially defined \iff to be used for equivalence and \implies is the same but for implication (from the amsmath package). \Rightarrow is far too small to give a readable result and is not spaced properly. Compare the readability of the following formulas: To answer your first question, you should use \implies, not \Rightarrow. (Basic rule of math spacing: the more important an operator, the wider the space around it). Two thick spaces (which are about an en-space) precede and follow an implication because it's more important than a relation. An implication is not a relation like > and, therefore, needs to be spaced according to how it is used. To answer your first question, you should use \implies, not \Rightarrow.
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