Introducing ↔, → (arrows next to words)

The double arrow symbol, when surrounded by a word on either side 
(like a↔an) denote that the two words are being compared or contrasted, in a DYK? for example, when an explanation is provided for some answer (please don't be confused by the logical or mathematical usage of the symbol - we are using it only as a general comparison/contrast of two words). If there is only one arrow, the left side word should be replaced by the right side word in the case where it appears (like a→an). The single arrow will be used in CTS or RTS exercises where only a single word may need to be replaced.

English Language Class

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