Going Picnic or not

[FUZZY]

A certain day was yesterday when the day before yesterday was yesterday . On that certain day Kim's parents said "we'll go on a picnic the day after tomorrow if it doesn't rain". It rained the day before yesterday but not since.
Did the family go on the picnic?

[Buddyboy3000]

Spoiler

The family was able to go on the picnic.

3 hours ago, FUZZY said:

A certain day was yesterday when the day before yesterday was yesterday . On that certain day Kim's parents said "we'll go on a picnic the day after tomorrow if it doesn't rain". It rained the day before yesterday but not since.
Did the family go on the picnic?

When it says the certain day was yesterday, and the day before yesterday is yesterday, they are equal to each other. You are only confused by all the words. So, the certain day is the day before yesterday, which is two days ago. Then, the family will go on the picnic the day after tomorrow from the certain day. The family will go on the picnic today. If it rained the day before yesterday, then the family will be able to go on the picnic today.

 

[FUZZY]

Suppose the certain day is Sunday, it would've been yesterday on Monday. The day before yesterday with respect to Monday is Saturday. Saturday would've been yesterday on Sunday.  So, Sunday was yesterday (on Monday) when Saturday was yesterday (on Sunday)?? The first sentence does not make sense.

[FUZZY]

23 hours ago, Buddyboy3000 said:

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The family was able to go on the picnic.

When it says the certain day was yesterday, and the day before yesterday is yesterday, they are equal to each other. You are only confused by all the words. So, the certain day is the day before yesterday, which is two days ago. Then, the family will go on the picnic the day after tomorrow from the certain day. The family will go on the picnic today. If it rained the day before yesterday, then the family will be able to go on the picnic today.

 

how do you decide the days are equal?