## cmavo ci'i (PA5)

### Proposed Definition

Infinity. When followed by a number, it denotes a transfinite cardinal, such as â„µ_{0}.

### Proposed Tag

### See Also

- {cimni}

### Proposed Keywords

- infinity

### Usage Examples

- ci'i da mulna'usle
*There are infinitely many prime numbers.*

### Notes

### Issues

As multiplication and exponentiation of transfinite ordinals is incompatible with that of cardinals, a new cmavo should be added for a transfinite ordinal, such as Ï‰_{0}.

## cmavo ka'o (PA5)

### Proposed Definition

*i*, imaginary unit. When followed by a real number, multiplies that number by i. If four real numbers are separated by three *ka'o*, the number is a quaternion, with the components in the order 1, i, j, k.

### Proposed Tag

### See Also

### Proposed Keywords

- imaginary number
- imaginary i

### Usage Examples

- saclu fi'ure loi lujna'u li paka'opa .iku'i saclu piro loi lujna'u li ni'upaka'opa
*Only half the complex numbers can be represented in base 1+i, but all complex numbers can be represented in base i-1.*

### Notes

### Issues

## cmavo tu'o (PA5)

### Proposed Definition

Null operand. A placeholder digit used in MEX operations that are grammatically binary, but semantically unary.

### Proposed Tag

### See Also

- {zi'o}

### Proposed Keywords

- null operand
- placeholder digit

### Usage Examples

- li fu'a ciboi muboi vu'u du li fu'a reboi tu'o va'a
*3 5 - in reverse polish notation equals the negative of 2*

### Notes

### Issues