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- VHDL defines Arithmetic & Boolean functions only for built-in data types (defined in Standard package)
- Arithmetic operators such as +, -, <, >, <=, >= are defined only for INTEGER type.
- Boolean operators such as AND, OR, NOT are defined only for BIT type.
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- Recall: VHDL implicit library (built-in)
- Library STD
- Types defined in the Standard package:
- Note: Items in this package do not need to be referenced, they are implied.