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| Mirrors > Home > ILE Home > Th. List > decaddm10 | Unicode version | ||
| Description: The sum of two multiples of 10 is a multiple of 10. (Contributed by AV, 30-Jul-2021.) |
| Ref | Expression |
|---|---|
| decaddm10.a |
|
| decaddm10.b |
|
| Ref | Expression |
|---|---|
| decaddm10 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | decaddm10.a |
. 2
| |
| 2 | 0nn0 9560 |
. 2
| |
| 3 | decaddm10.b |
. 2
| |
| 4 | eqid 2238 |
. 2
| |
| 5 | eqid 2238 |
. 2
| |
| 6 | eqid 2238 |
. 2
| |
| 7 | 00id 8460 |
. 2
| |
| 8 | 1, 2, 3, 2, 4, 5, 6, 7 | decadd 9812 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4247 ax-pow 4309 ax-pr 4344 ax-setind 4682 ax-cnex 8263 ax-resscn 8264 ax-1cn 8265 ax-1re 8266 ax-icn 8267 ax-addcl 8268 ax-addrcl 8269 ax-mulcl 8270 ax-addcom 8272 ax-mulcom 8273 ax-addass 8274 ax-mulass 8275 ax-distr 8276 ax-i2m1 8277 ax-1rid 8279 ax-0id 8280 ax-rnegex 8281 ax-cnre 8283 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-int 3969 df-br 4129 df-opab 4191 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-iota 5335 df-fun 5377 df-fv 5383 df-riota 6031 df-ov 6081 df-oprab 6082 df-mpo 6083 df-sub 8492 df-inn 9287 df-2 9345 df-3 9346 df-4 9347 df-5 9348 df-6 9349 df-7 9350 df-8 9351 df-9 9352 df-n0 9546 df-dec 9760 |
| This theorem is referenced by: (None) |
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