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| Mirrors > Home > ILE Home > Th. List > addassd | Unicode version | ||
| Description: Associative law for addition. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| addcld.1 |
|
| addcld.2 |
|
| addassd.3 |
|
| Ref | Expression |
|---|---|
| addassd |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addcld.1 |
. 2
| |
| 2 | addcld.2 |
. 2
| |
| 3 | addassd.3 |
. 2
| |
| 4 | addass 8315 |
. 2
| |
| 5 | 1, 2, 3, 4 | syl3anc 1278 |
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-addass 8287 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: readdcan 8473 muladd11r 8489 cnegexlem1 8508 cnegex 8511 addcan 8513 addcan2 8514 negeu 8524 addsubass 8543 nppcan3 8557 muladd 8718 ltadd2 8754 add1p1 9566 div4p1lem1div2 9570 peano2z 9689 zaddcllempos 9690 zpnn0elfzo1 10642 exbtwnzlemstep 10698 rebtwn2zlemstep 10703 flhalf 10757 flqdiv 10778 binom2 11108 binom3 11114 bernneq 11118 omgadd 11263 ccatass 11397 cvg1nlemres 11772 recvguniqlem 11781 resqrexlemover 11797 bdtrilem 12029 bdtri 12030 bcxmas 12280 efsep 12482 efi4p 12508 efival 12523 divalglemnqt 12711 flodddiv4 12727 gcdaddm 12785 pcadd2 13148 4sqlem11 13208 limcimolemlt 15907 tangtx 16082 logfac 16143 binom4 16236 ppiqub 16310 bcp1ctr 16323 bposlem9 16336 2lgslem3c 16436 2lgslem3d 16437 qdiff 17322 |
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