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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 9691 zaddcllempos 9692 zpnn0elfzo1 10643 exbtwnzlemstep 10699 rebtwn2zlemstep 10704 flhalf 10758 flqdiv 10779 binom2 11109 binom3 11115 bernneq 11119 omgadd 11264 ccatass 11398 cvg1nlemres 11773 recvguniqlem 11782 resqrexlemover 11798 bdtrilem 12030 bdtri 12031 bcxmas 12281 efsep 12483 efi4p 12509 efival 12524 divalglemnqt 12712 flodddiv4 12728 gcdaddm 12786 pcadd2 13149 4sqlem11 13209 limcimolemlt 15890 tangtx 16065 logfac 16126 binom4 16219 ppiqub 16293 bcp1ctr 16306 bposlem9 16319 2lgslem3c 16419 2lgslem3d 16420 qdiff 17305 |
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