The phrase "are only two fundamental" is not correct as it is incomplete and lacks a subject.
You can use it in a context where you are discussing two fundamental concepts or principles, but it needs to be part of a complete sentence.
Example: "There are only two fundamental principles that govern this theory."
Alternatives: "There exist only two basic" or "Only two essential exist."
Author Gary Zukav says there are only two fundamental intentions: love and fear.
She believes the delicacy and complexion peculiar to women's bodies are caused by the more moderate temperature of the body, so despite this list there are only two fundamental differences in the bodies of men and women, temperature and beauty.
Limited to integer powers, and with the straightforward selection of B R1, R2) = R2 – R1 (first power in the response functions), there are only two fundamental forms for G(R1, R2) (within multiplicative constants) for constructing dimensionless bias functions by B R2 – R1) × G(R1, R2).
That's because "the laws of nature are rather few, they're simple and symmetrical and there are only four fundamental forces".
If one were to attempt to try to explain it scientifically, there are only four fundamental forces (conventionally), limiting the choice of possible natural mechanisms.
Another axis on which this debate can be configured is in terms of whether one opts for an epistemic-value monism or an epistemic-value pluralism that is, whether one thinks there is only one fundamental epistemic goal, or several.
Dualism contrasts with monism, which is the theory that there is only one fundamental kind, category of thing or principle; and, rather less commonly, with pluralism, which is the view that there are many kinds or categories.
I am particularly intrigued by the final proposition that there could be only three fundamental exponents, the intermediate values currently observed depending on mixing of genes from the three classes in different proportions.
There are only two races for governor next month, in New Jersey and Virginia, but they are fundamental to the Democratic Party's strategy to reassert itself on the national stage.
In fact, hate crimes are likely to have many fundamental drivers; local differences in xenophobic ideology or a higher salience of immigrants are only two obvious examples.
"You know," he said, "in life there are only three or four fundamental decisions to make.
