No, it is not true.
No, the reverse statement "If it's not raining then the sun must be shining" is not always true. The original statement implies that if the sun is shining, then it cannot be raining, but it does not guarantee that if it's not raining, the sun must be shining. It leaves room for other weather conditions besides just rain and sunshine.
The negation of the sentence the sun is shining would be that the sun is not shining.
The sun is always shining. It's been shining for four and a half billion years and will continue to shine for [it is assumed] another seven and a half billion years.
There is never a time when the sun isn't shining. The sun has been shining for four and a half billion years and will continue to shine for [it is assumed] another seven and a half billion years.
No, it is not true.
No, the reverse statement "If it's not raining then the sun must be shining" is not always true. The original statement implies that if the sun is shining, then it cannot be raining, but it does not guarantee that if it's not raining, the sun must be shining. It leaves room for other weather conditions besides just rain and sunshine.
No, it is not necessarily true
No, it is not.
A conjunction is false only when all statements connected by "and" are individually true, but when taken together, they form a false statement. For example, the conjunction "It is raining and the sun is shining" would be false because it's impossible for it to rain and for the sun to be shining at the same time.
The negation of the sentence the sun is shining would be that the sun is not shining.
The devil is not married. This is an old saying from where it is raining and the sun is also partly shining as well.
[Note: It is assumed you meant "shining" as "shinning" does not make sense in this sentence.]"They even shine along the isthmus."
The saying "it is raining when the sun is shining" is typically used to highlight a contradictory or ironic situation. It suggests that even in seemingly pleasant or positive circumstances, there can still be challenges or difficulties present.
Let p, q, and r represent the simple statements. The compound statement "Either it is raining, or it is windy and the sun is shining" can be represented symbolically as (p) ∨ [(q) ∧ (r)].
The sun is always shining. It's been shining for four and a half billion years and will continue to shine for [it is assumed] another seven and a half billion years.
A sun shower is a relatively unusual event in which the sun is shining while it is raining. Partial cloud cover can still produce rain in some instances.