| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > mulcomli | Unicode version | ||
| Description: Commutative law for multiplication. (Contributed by NM, 23-Nov-1994.) |
| Ref | Expression |
|---|---|
| axi.1 |
|
| axi.2 |
|
| mulcomli.3 |
|
| Ref | Expression |
|---|---|
| mulcomli |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | axi.2 |
. . 3
| |
| 2 | axi.1 |
. . 3
| |
| 3 | 1, 2 | mulcomi 8332 |
. 2
|
| 4 | mulcomli.3 |
. 2
| |
| 5 | 3, 4 | eqtri 2259 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1500 ax-gen 1502 ax-4 1563 ax-17 1579 ax-ext 2220 ax-mulcom 8280 |
| This proof depends on definitions: df-bi 117 df-cleq 2231 |
| This theorem is used by: 2t3e6 9464 2t4e8 9467 nummul2c 9835 halfthird 9928 5recm6rec 9929 sq4e2t8 11087 cos2bnd 12543 dec5nprm 13213 karatsuba 13230 2exp6 13233 2exp8 13235 2exp11 13236 2exp16 13237 13prm 13250 17prm 13251 19prm 13252 23prm 13253 43prm 13256 83prm 13257 139prm 13258 163prm 13259 317prm 13260 631prm 13261 1259lem1 13262 1259lem2 13263 1259lem3 13264 1259lem4 13265 1259lem5 13266 1259prm 13267 log2ublem3 16142 log2ublog2 16143 bclbnd 16205 bpos1lem 16207 bposlem4 16212 bposlem5 16213 2lgslem3a 16310 2lgsoddprmlem3c 16326 2lgsoddprmlem3d 16327 ex-exp 16839 ex-fac 16840 |
| Copyright terms: Public domain | W3C validator |