查看“︁SVO”︁的源代码

SVO(Small Veblen's Ordinal，小韦伯伦序数；Veblen，又译维布伦、凡勃伦)，是有限元[[veblen函数]]的极限。
{| class="wikitable"
|+SCO
!记号
!表达式
|-
|[[veblen函数]]
|<math>\varphi(1</math>@<math>\omega)</math>
|-
|[[OCF|BOCF或MOCF]]
|<math>\psi(\Omega^{\Omega^\omega})=\psi(\psi_1(\psi_1(\psi_1(1))))</math>
|-
|[[BMS]]
|<math>\left(\begin{smallmatrix}0&1&2&3&4\\0&1&1&1&0\end{smallmatrix} \right)=(0,0)(1,1)(2,1)(3,1)(4,0)</math>
|-
|[[超初等序列|HPrSS]]或[[0-Y]]
|<math>1,3,5,7,8</math>
|-
|[[Y序列]]
|<math>1,2,4,6,8,9</math>
|-
|[[PSS Hydra]]
|<math>\psi^{\text{H}}_1(\psi^{\text{H}}_2(\psi^{\text{H}}_2(\psi^{\text{H}}_2(1))))</math>
|-
|[[weak veblen函数]]
|<math>\varphi(1</math>@<math>(1</math>@<math>\omega))</math>
|-
|[[BHM]]
|<math>-</math>
|-
|[[BSM]]
|<math>-</math>
|-
|[[NOCF]]
|<math>-</math>
|}