| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > 9p1e10 | Unicode version | ||
| Description: 9 + 1 = 10. (Contributed by Mario Carneiro, 18-Apr-2015.) (Revised by Stanislas Polu, 7-Apr-2020.) (Revised by AV, 1-Aug-2021.) |
| Ref | Expression |
|---|---|
| 9p1e10 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-dec 9600 |
. 2
| |
| 2 | 9nn 9300 |
. . . . . 6
| |
| 3 | 1nn 9142 |
. . . . . 6
| |
| 4 | nnaddcl 9151 |
. . . . . 6
| |
| 5 | 2, 3, 4 | mp2an 426 |
. . . . 5
|
| 6 | 5 | nncni 9141 |
. . . 4
|
| 7 | 6 | mulridi 8169 |
. . 3
|
| 8 | 7 | oveq1i 6021 |
. 2
|
| 9 | 6 | addridi 8309 |
. 2
|
| 10 | 1, 8, 9 | 3eqtrri 2255 |
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-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-ext 2211 ax-sep 4203 ax-cnex 8111 ax-resscn 8112 ax-1cn 8113 ax-1re 8114 ax-icn 8115 ax-addcl 8116 ax-addrcl 8117 ax-mulcl 8118 ax-mulcom 8121 ax-addass 8122 ax-mulass 8123 ax-distr 8124 ax-1rid 8127 ax-0id 8128 ax-cnre 8131 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2802 df-un 3202 df-in 3204 df-ss 3211 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3890 df-int 3925 df-br 4085 df-iota 5282 df-fv 5330 df-ov 6014 df-inn 9132 df-2 9190 df-3 9191 df-4 9192 df-5 9193 df-6 9194 df-7 9195 df-8 9196 df-9 9197 df-dec 9600 |
| This theorem is referenced by: dfdec10 9602 10nn 9614 le9lt10 9625 decsucc 9639 5p5e10 9669 6p4e10 9670 7p3e10 9673 8p2e10 9678 9p2e11 9685 10m1e9 9694 9lt10 9729 sq10e99m1 10963 3dvds 12412 3dvdsdec 12413 3dvds2dec 12414 |
| Copyright terms: Public domain | W3C validator |