| Symbol | Specification | Kind | Type |
|---|
| # . | buffer | f | buffer → nat |
| . + . | buffer | f | buffer × buffer → buffer |
| . + . | nat-basic | f | nat × nat → nat |
| . +1 | nat-basic | f | nat → nat |
| . - . | nat | pf | nat × nat → nat with λ n, m. n ≥ m |
| . -1 | nat-basic | pf | nat → nat with λ n. n ≠ 0 |
| . .checksum | avidheader | pf | avidheader → nat with λ avhdr. avhdr.valid? |
| . .checksum:= . | avidheader | pf | avidheader × nat → avidheader with λ avhdr, m. avhdr.valid? |
| . .leb | avidheader | pf | avidheader → nat with λ avhdr. avhdr.valid? |
| . .leb:= . | avidheader | pf | avidheader × nat → avidheader with λ avhdr, m. avhdr.valid? |
| . .size | avidheader | pf | avidheader → nat with λ avhdr. avhdr.valid? |
| . .size:= . | avidheader | pf | avidheader × nat → avidheader with λ avhdr, m. avhdr.valid? |
| . .sqn | avidheader | pf | avidheader → nat with λ avhdr. avhdr.valid? |
| . .sqn:= . | avidheader | pf | avidheader × nat → avidheader with λ avhdr, m. avhdr.valid? |
| . .valid? | avidheader | p | avidheader |
| . .vol | avidheader | pf | avidheader → volid with λ avhdr. avhdr.valid? |
| . .vol:= . | avidheader | pf | avidheader × volid → avidheader with λ avhdr, v. avhdr.valid? |
| . < . | nat-basic | p | nat × nat |
| . > . | nat | p | nat × nat |
| . [ . ] | buffer | pf | buffer × nat × data → buffer with λ buf, n, d. n < # buf |
| . [ . ] | buffer | pf | buffer × nat → data with λ buf, n. n < # buf |
| . ∈ . | buffer | p | data × buffer |
| . ≤ . | nat | p | nat × nat |
| . ≥ . | nat | p | nat × nat |
| avhdr | avidheader | v | avidheader |
| avhdr0 | avidheader | v | avidheader |
| avhdr1 | avidheader | v | avidheader |
| avidhdr | avidheader | f | volid × nat × nat × nat × nat → avidheader |
| avidheader | avidheader | s | |
| buf | buffer | v | buffer |
| buf0 | buffer | v | buffer |
| buf1 | buffer | v | buffer |
| buf2 | buffer | v | buffer |
| buffer | buffer | s | |
| checksum | checksum | f | buffer × nat → nat |
| cmp | buffer | pp | buffer × data × nat × nat with λ buf, d, m, n. m + n ≤ # buf |
| cmp | buffer | pp | buffer × nat × buffer × nat × nat with λ buf, m, buf0, m0, n. m + n ≤ # buf ∧ m0 + n ≤ # buf0 |
| copy | buffer | pf | buffer × nat × buffer × nat × nat → buffer with λ buf, m, buf0, m0, n. m + n ≤ # buf ∧ m0 + n ≤ # buf0 |
| d | data | v | data |
| d0 | data | v | data |
| d1 | data | v | data |
| d2 | data | v | data |
| data | data | s | |
| empty | buffer | c | data |
| empty | avidheader | c | avidheader |
| fill | buffer | pf | buffer × data × nat × nat → buffer with λ buf, d, n, m. n + m ≤ # buf |
| fill | buffer | f | buffer × data → buffer |
| garbage | avidheader | c | avidheader |
| id○ | buffer | p | buffer × buffer × nat |
| idrange | buffer | pp | buffer × nat × nat with λ buf, m, n. m + n ≤ # buf |
| m | nat-basic | v | nat |
| m0 | array-copy | v | nat |
| m1 | avidheader | v | nat |
| m2 | avidheader | v | nat |
| m3 | avidheader | v | nat |
| m4 | avidheader | v | nat |
| m5 | avidheader | v | nat |
| m6 | avidheader | v | nat |
| max | min-max | f | nat × nat → nat |
| min | min-max | f | nat × nat → nat |
| mkbuf | buffer | f | nat → buffer |
| mkempbuf | buffer | f | nat → buffer |
| mkzbuf | buffer | f | nat → buffer |
| n | nat-basic | v | nat |
| n0 | nat-basic | v | nat |
| n1 | nat-basic | v | nat |
| nat | nat-basic | s | |
| range= | buffer | p | buffer × nat × buffer × nat × nat |
| resize | buffer | f | buffer × nat → buffer |
| rev | buffer | pf | buffer × nat → buffer with λ buf, n. n ≤ # buf |
| rev | buffer | f | buffer → buffer |
| splice | buffer | f | buffer × nat × buffer × nat × nat → buffer |
| subarray | buffer | pf | buffer × nat × nat → buffer with λ buf, m, n. m + n ≤ # buf |
| v | volid | v | volid |
| v0 | volid | v | volid |
| v1 | volid | v | volid |
| v2 | volid | v | volid |
| volid | volid | s | |
| zero | buffer | c | data |