formal
if is an expression, while iff is a function often with multiple choices.
Fuctional and formal
formal
difference between formal organization structure and informal organization structure.
Aral sea in Kazakhstan is a formal functional region
There are 3 types of regions. They are: Formal, Functional and Perceptual.
formal and informal rhythm
Formal is polite, informal is rude and obnoxious.
There is no formal slang. Slang is informal language.
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