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| Mirrors > Home > ILE Home > Th. List > addcom | Unicode version | ||
| Description: Addition is commutative. (Contributed by Jim Kingdon, 17-Jan-2020.) |
| Ref | Expression |
|---|---|
| addcom |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ax-addcom 8279 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-addcom 8279 |
| This theorem is used by: addlid 8466 readdcan 8467 addcomi 8471 addcomd 8478 add12 8485 add32 8486 add42 8489 cnegexlem1 8502 cnegexlem3 8504 cnegex2 8506 subsub23 8532 pncan2 8534 addsub 8538 addsub12 8540 addsubeq4 8542 sub32 8561 pnpcan2 8567 ppncan 8569 sub4 8572 negsubdi2 8586 ltadd2 8748 ltaddnegr 8754 ltaddsub2 8766 leaddsub2 8768 leltadd 8776 ltaddpos2 8782 addge02 8802 conjmulap 9061 recreclt 9232 avgle1 9550 avgle2 9551 nn0nnaddcl 9598 xaddcom 10273 fzen 10457 fzshftral 10525 fzo0addelr 10617 flqzadd 10746 addmodidr 10823 nn0ennn 10883 ser3add 10972 bernneq2 11112 ccatrn 11391 ccatalpha 11395 shftval2 11605 shftval4 11607 crim 11637 resqrexlemover 11790 climshft2 12088 summodclem3 12163 binom1dif 12270 isumshft 12273 arisum 12281 mertenslemi1 12318 addcos 12529 demoivreALT 12557 dvdsaddr 12620 divalgb 12708 hashdvds 13019 pythagtriplem2 13065 mulgnndir 14003 cncrng 14955 ioo2bl 15701 reeff1olem 15921 ptolemy 15975 birthdaylem2 16145 wilthlem1 16151 1sgmprm 16189 perfectlem2 16198 |
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