SACE Stage 2 Specialist Mathematics Practice Questions - SACE Stage 2 Specialist Mathematics Examination (South Australia) Exam

Proving the base case $P(1)$ is true, and proving that if $P(k)$ is true then $P(k+1)$ is true Testing $P(n)$ for $n=1, 2, 3$, and concluding it holds for all $n$ Assuming $P(k)$ is true, and showing $P(1)$ is true Proving $P(k+1)$ is true directly without assuming $P(k)$