Shouldn't the conjecture say 'as a sum of two primes' rather than 'as the sum of two primes'? Since the word 'the' suggests uniqueness of the primes which is not the case because 20=17+3=13+7.

## Goldbach's conjecture

Shouldn't the conjecture say 'as a sum of two primes' rather than 'as the sum of two primes'? Since the word 'the' suggests uniqueness of the primes which is not the case because 20=17+3=13+7.