Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > 5p5e10 | GIF version |
Description: 5 + 5 = 10. (Contributed by NM, 5-Feb-2007.) (Revised by Stanislas Polu, 7-Apr-2020.) (Revised by AV, 6-Sep-2021.) |
Ref | Expression |
---|---|
5p5e10 | ⊢ (5 + 5) = ;10 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-5 8915 | . . . 4 ⊢ 5 = (4 + 1) | |
2 | 1 | oveq2i 5852 | . . 3 ⊢ (5 + 5) = (5 + (4 + 1)) |
3 | 5cn 8933 | . . . 4 ⊢ 5 ∈ ℂ | |
4 | 4cn 8931 | . . . 4 ⊢ 4 ∈ ℂ | |
5 | ax-1cn 7842 | . . . 4 ⊢ 1 ∈ ℂ | |
6 | 3, 4, 5 | addassi 7903 | . . 3 ⊢ ((5 + 4) + 1) = (5 + (4 + 1)) |
7 | 2, 6 | eqtr4i 2189 | . 2 ⊢ (5 + 5) = ((5 + 4) + 1) |
8 | 5p4e9 9001 | . . 3 ⊢ (5 + 4) = 9 | |
9 | 8 | oveq1i 5851 | . 2 ⊢ ((5 + 4) + 1) = (9 + 1) |
10 | 9p1e10 9320 | . 2 ⊢ (9 + 1) = ;10 | |
11 | 7, 9, 10 | 3eqtri 2190 | 1 ⊢ (5 + 5) = ;10 |
Colors of variables: wff set class |
Syntax hints: = wceq 1343 (class class class)co 5841 0cc0 7749 1c1 7750 + caddc 7752 4c4 8906 5c5 8907 9c9 8911 ;cdc 9318 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-ext 2147 ax-sep 4099 ax-cnex 7840 ax-resscn 7841 ax-1cn 7842 ax-1re 7843 ax-icn 7844 ax-addcl 7845 ax-addrcl 7846 ax-mulcl 7847 ax-mulcom 7850 ax-addass 7851 ax-mulass 7852 ax-distr 7853 ax-1rid 7856 ax-0id 7857 ax-cnre 7860 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ral 2448 df-rex 2449 df-rab 2452 df-v 2727 df-un 3119 df-in 3121 df-ss 3128 df-sn 3581 df-pr 3582 df-op 3584 df-uni 3789 df-int 3824 df-br 3982 df-iota 5152 df-fv 5195 df-ov 5844 df-inn 8854 df-2 8912 df-3 8913 df-4 8914 df-5 8915 df-6 8916 df-7 8917 df-8 8918 df-9 8919 df-dec 9319 |
This theorem is referenced by: 5t2e10 9417 5t4e20 9419 |
Copyright terms: Public domain | W3C validator |