How to Use "P" with Example Sentences

1. Icap and r p martin representatives declined to comment .
2. P 4 s 3 also ignites easily by friction .
3. Show-goers try sony 's new vaio p series 8-inch notebooks .
4. But " p versus np " is more than just an abstract mathematical puzzle .
5. A resolution of the p v np problem could therefore have significant real-world repercussions .