Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > decbin2 | Unicode version |
Description: Decompose base 4 into base 2. (Contributed by Mario Carneiro, 18-Feb-2014.) |
Ref | Expression |
---|---|
decbin.1 |
Ref | Expression |
---|---|
decbin2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2t1e2 8866 | . . 3 | |
2 | 1 | oveq2i 5778 | . 2 |
3 | 2cn 8784 | . . 3 | |
4 | decbin.1 | . . . . 5 | |
5 | 4 | nn0cni 8982 | . . . 4 |
6 | 3, 5 | mulcli 7764 | . . 3 |
7 | ax-1cn 7706 | . . 3 | |
8 | 3, 6, 7 | adddii 7769 | . 2 |
9 | 4 | decbin0 9314 | . . 3 |
10 | 9 | oveq1i 5777 | . 2 |
11 | 2, 8, 10 | 3eqtr4ri 2169 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1331 wcel 1480 (class class class)co 5767 c1 7614 caddc 7616 cmul 7618 c2 8764 c4 8766 cn0 8970 |
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 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-cnex 7704 ax-resscn 7705 ax-1cn 7706 ax-1re 7707 ax-icn 7708 ax-addcl 7709 ax-addrcl 7710 ax-mulcl 7711 ax-mulcom 7714 ax-addass 7715 ax-mulass 7716 ax-distr 7717 ax-1rid 7720 ax-rnegex 7722 ax-cnre 7724 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-int 3767 df-br 3925 df-iota 5083 df-fv 5126 df-ov 5770 df-inn 8714 df-2 8772 df-3 8773 df-4 8774 df-n0 8971 |
This theorem is referenced by: decbin3 9316 |
Copyright terms: Public domain | W3C validator |