Can "between" and ">= and <=" Differ in Oracle?

[Between] means "greater than or equal to low value and less than or equal to high value."

SQL> select *
  2 from dual
  3 where dummy between 'A' and 'Z';
 –– plan omitted for the sake of clarity
 Predicate Information (identified by operation id):
 ––––––––––––––––––––––––––––––––––––––––––
 
  1 - filter("DUMMY">='A' AND "DUMMY"<='Z')

SQL> create table t (n number, m number not null)
  2 partition by list (n)
  3 (
  4 partition t_0 values (0),
  5 partition t_1 values (1)
  6 );
 
 Table created.
 
 SQL> create index i_t_m on t (m) local;
 
 Index created.

SQL> select /*+ index(t i_t_m) */ m
  2 from t
  3 where n between 0 and 1;
 
 Execution Plan
 ----------------------------------------------------------
 Plan hash value: 555829789
 
 ------------------------------------------------------------
 | Id | Operation | Name | Rows |
 ------------------------------------------------------------
 | 0 | SELECT STATEMENT | | 1 |
 | 1 | PARTITION LIST ALL | | 1 |
 | 2 | TABLE ACCESS BY LOCAL INDEX ROWID| T | 1 |
 | 3 | INDEX FULL SCAN | I_T_M | 1 |
 ------------------------------------------------------------

SQL> select /*+ index(t i_t_m) */ m
  2 from t
  3 where n >= 0 and n <= 1;
 
 Execution Plan
 --------------------------------------------
 Plan hash value: 1131641999
 
 --------------------------------------------
 | Id | Operation | Name | Rows |
 --------------------------------------------
 | 0 | SELECT STATEMENT | | 1 |
 | 1 | PARTITION LIST ALL| | 1 |
 | 2 | INDEX FULL SCAN | I_T_M | 1 |

FPD: Current where clause predicates in SEL$1 (#0) :
  "T"."N">=0 AND "T"."N"<=1