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For the following number: 6 4 , 3 2 3 [ Syntax ] Write down the Parse Tree for this number using the following rules:

For the following number: 64,323
[Syntax] Write down the Parse Tree for this number using the following rules:
[Semantics] Prove the calculation of this number using the following rules:
The denotational mappings for these syntax rules are
Mdec('0')=0,Mdec(1')=1,Mdec(2')=2,dots,Mdec('9')=9
Mdec(decnum>?'0')=10**Mdec(decnum>)
Mdec(decnum>'1')=10**Mdec(decnum>)+1
Write the Grammar Rules and Denotational Mappings for a Hexadecimal System.
Then:
come a four-digit hexadecimal number using the extra characters
write the parse tree for what you came up with
prove its value using denotational semantics.
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