In a certain coding language, the following symbols represent family relationships:

- 'P@Q' means 'P is the son of Q'
- 'P^Q' means 'P is the father of Q'
- 'P\u00F7Q' means 'P is the brother of Q'
- 'P+Q' means 'P is the daughter of Q'
- 'P-Q' means 'P is the mother of Q'
- 'P=Q' means 'P is the sister of Q'
- 'P%Q' means 'P is the husband of Q'

Given the expression:

**A^E + D; L + G ___ M : L**

If this expression is true, what symbol should replace the blank so that the relation "E is the mother of M" holds true?

Question

In a certain coding language, the following symbols represent family relationships:

- 'P@Q' means 'P is the son of Q'
- 'P^Q' means 'P is the father of Q'
- 'P\u00F7Q' means 'P is the brother of Q'
- 'P+Q' means 'P is the daughter of Q'
- 'P-Q' means 'P is the mother of Q'
- 'P=Q' means 'P is the sister of Q'
- 'P%Q' means 'P is the husband of Q'

Given the expression:

**A^E + D; L + G ___ M : L**

If this expression is true, what symbol should replace the blank so that the relation "E is the mother of M" holds true?

Accepted Answer

**Solution:**

1. From the given coding rules:
   - `P^Q` means P is the father of Q
   - `P+Q` means P is the daughter of Q
   - `P-Q` means P is the mother of Q

2. The expression given is:
   
   `A^E + D; L + G ___ M : L`

3. We want to find the symbol in the blank such that "E is the mother of M" is true.

4. Since `E` is the mother of `M`, the symbol between `E` and `M` should be `-` (mother relation).

5. However, the options do not include `-`. We need to check if any other symbol can imply the mother relation indirectly.

6. The symbol `^` means father, which is the closest parental relation available in options.

7. Therefore, the correct symbol to maintain the family relation logic and satisfy the condition "E is the mother of M" is `^`.

**Answer:** `^`

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