The phrase "as firstly" is not correct and is not typically used in written English.
You can use it when attempting to introduce the first point in a list, but it is better to use "first" instead.
Example: "As firstly, we need to address the budget concerns."
Alternatives: "First" or "To begin with".
Further, acceptance of P counts as empirical knowledge in so far as, firstly, P is true, secondly, the degree of probability or expectation of P on D is sufficiently high as to approach practical certainty, and, thirdly, D consists of all relevant data (Lewis, 1946, 314 25).
No informative conclusions could be reached from down-regulated functions as, firstly, approximately one fourth of the genes code for hypothetical proteins of unknown function and secondly the remaining down-regulated genes belong to diverse functional categories.
Irving described the verdict as "firstly, indescribable, and secondly, perverse".
Energy conscious building design consists in controlling the thermophysical characteristics of the building envelope such as, firstly, thermal transmittance (U-value).
Howard Archer from IHS Global Insight sounded a more cautious note: "Any signs of a pick-up in housing market activity needs to be treated with considerable caution as, firstly, there have been previous false dawns recently and, secondly, housing market activity remains very low compared to long-term norms.
Describing the purpose of SNP MPs in Westminster as firstly to stand up for Scottish interests and secondly to seek to be part of a progressive alliance, Sturgeon added: "There are people in the Labour party who I'd agree on many things with.
The primary procedures are as follows: firstly, CD-GS were used as the immunosensor platform for immobilizing antibodies.
Among these putative PRXs, 25 prx genes originally annotated as hypothetical proteins were accepted as PRXs firstly in this study.
Firstly, as far as we can measure, our Universe is consistent with being flat.
Firstly, as much as she's probably the most moral character in the book, she's still not exactly what people would define as "good".
Firstly, as well as changing the way we pay in real world shops, Apple Pay is also tackling the online payments we make on our mobiles.
