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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 8309 |
. 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 8281 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: readdcan 8466 muladd11r 8482 cnegexlem1 8501 cnegex 8504 addcan 8506 addcan2 8507 negeu 8517 addsubass 8536 nppcan3 8550 muladd 8711 ltadd2 8747 add1p1 9555 div4p1lem1div2 9559 peano2z 9680 zaddcllempos 9681 zpnn0elfzo1 10626 exbtwnzlemstep 10682 rebtwn2zlemstep 10687 flhalf 10737 flqdiv 10758 binom2 11088 binom3 11094 bernneq 11098 omgadd 11242 ccatass 11376 cvg1nlemres 11751 recvguniqlem 11760 resqrexlemover 11776 bdtrilem 12005 bdtri 12006 bcxmas 12256 efsep 12458 efi4p 12484 efival 12499 divalglemnqt 12687 flodddiv4 12703 gcdaddm 12761 pcadd2 13120 4sqlem11 13180 limcimolemlt 15765 tangtx 15939 logfac 15995 binom4 16081 2lgslem3c 16214 2lgslem3d 16215 qdiff 17098 |
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