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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 8310 |
. 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 8282 |
| This proof depends on definitions: df-bi 117 df-3an 1011 |
| This theorem is used by: readdcan 8468 muladd11r 8484 cnegexlem1 8503 cnegex 8506 addcan 8508 addcan2 8509 negeu 8519 addsubass 8538 nppcan3 8552 muladd 8713 ltadd2 8749 add1p1 9560 div4p1lem1div2 9564 peano2z 9685 zaddcllempos 9686 zpnn0elfzo1 10637 exbtwnzlemstep 10693 rebtwn2zlemstep 10698 flhalf 10752 flqdiv 10773 binom2 11103 binom3 11109 bernneq 11113 omgadd 11258 ccatass 11392 cvg1nlemres 11767 recvguniqlem 11776 resqrexlemover 11792 bdtrilem 12024 bdtri 12025 bcxmas 12275 efsep 12477 efi4p 12503 efival 12518 divalglemnqt 12706 flodddiv4 12722 gcdaddm 12780 pcadd2 13143 4sqlem11 13203 limcimolemlt 15856 tangtx 16031 logfac 16090 binom4 16180 ppiqub 16254 bcp1ctr 16267 bposlem9 16280 2lgslem3c 16380 2lgslem3d 16381 qdiff 17265 |
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