| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > addcomd | Unicode version | ||
| Description: Addition is commutative. Based on ideas by Eric Schmidt. (Contributed by Scott Fenton, 3-Jan-2013.) (Revised by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| muld.1 |
|
| addcomd.2 |
|
| Ref | Expression |
|---|---|
| addcomd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | muld.1 |
. 2
| |
| 2 | addcomd.2 |
. 2
| |
| 3 | addcom 8465 |
. 2
| |
| 4 | 1, 2, 3 | syl2anc 415 |
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-ia3 108 ax-addcom 8280 |
| This theorem is used by: muladd11r 8484 comraddd 8485 subadd2 8532 pncan 8534 npcan 8537 subcan 8583 mvlladdd 8693 subaddeqd 8697 addrsub 8699 ltadd1 8759 leadd2 8761 ltsubadd2 8763 lesubadd2 8765 lesub3d 8893 mulreim 8935 apadd2 8940 recp1lt1 9232 ltaddrp2d 10143 lincmb01cmp 10416 iccf1o 10418 elfzoext 10621 rebtwn2zlemstep 10698 qavgle 10704 modqaddabs 10813 mulqaddmodid 10815 qnegmod 10820 modqadd2mod 10825 modqadd12d 10831 modqaddmulmod 10842 addmodlteq 10849 expaddzap 11034 bcn2m1 11223 bcn2p1 11224 lenrevpfxcctswrd 11499 remullem 11651 resqrexlemover 11791 maxabslemab 11988 maxabslemval 11990 bdtrilem 12023 climaddc2 12114 telfsumo 12251 fsumparts 12255 bcxmas 12274 isumshft 12275 cvgratnnlemsumlt 12313 cosneg 12512 sinadd 12521 sincossq 12533 cos2t 12535 absefi 12554 absefib 12556 gcdaddm 12779 pythagtrip 13084 pcadd2 13142 ballotfilemsdom 13306 mulgnndir 14005 mulgdirlem 14007 metrtri 15530 plymullem1 15901 efap1p 15932 pellexlem2 16152 lgseisenlem1 16311 2sqlem3 16358 eupth2lem3lem3fi 16833 apdifflemf 17217 apdiff 17219 |
| Copyright terms: Public domain | W3C validator |