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Mirrors > Home > MPE Home > Th. List > 3t3e9 | Structured version Visualization version Unicode version |
Description: 3 times 3 equals 9. (Contributed by NM, 11-May-2004.) |
Ref | Expression |
---|---|
3t3e9 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-3 11080 | . . 3 | |
2 | 1 | oveq2i 6661 | . 2 |
3 | 3cn 11095 | . . . . 5 | |
4 | 2cn 11091 | . . . . 5 | |
5 | ax-1cn 9994 | . . . . 5 | |
6 | 3, 4, 5 | adddii 10050 | . . . 4 |
7 | 3t2e6 11179 | . . . . 5 | |
8 | 3t1e3 11178 | . . . . 5 | |
9 | 7, 8 | oveq12i 6662 | . . . 4 |
10 | 6, 9 | eqtri 2644 | . . 3 |
11 | 6p3e9 11170 | . . 3 | |
12 | 10, 11 | eqtri 2644 | . 2 |
13 | 2, 12 | eqtri 2644 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wceq 1483 (class class class)co 6650 c1 9937 caddc 9939 cmul 9941 c2 11070 c3 11071 c6 11074 c9 11077 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-resscn 9993 ax-1cn 9994 ax-icn 9995 ax-addcl 9996 ax-addrcl 9997 ax-mulcl 9998 ax-mulrcl 9999 ax-mulcom 10000 ax-addass 10001 ax-mulass 10002 ax-distr 10003 ax-i2m1 10004 ax-1ne0 10005 ax-1rid 10006 ax-rrecex 10008 ax-cnre 10009 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-br 4654 df-iota 5851 df-fv 5896 df-ov 6653 df-2 11079 df-3 11080 df-4 11081 df-5 11082 df-6 11083 df-7 11084 df-8 11085 df-9 11086 |
This theorem is referenced by: sq3 12961 3dvds 15052 3dvdsOLD 15053 3dvdsdec 15054 3dvdsdecOLD 15055 3dvds2dec 15056 3dvds2decOLD 15057 9nprm 15819 11prm 15822 43prm 15829 83prm 15830 317prm 15833 1259lem2 15839 1259lem4 15841 1259prm 15843 2503lem2 15845 mcubic 24574 log2tlbnd 24672 log2ublem3 24675 log2ub 24676 bposlem9 25017 lgsdir2lem5 25054 ex-lcm 27315 hgt750lem 30729 hgt750lem2 30730 inductionexd 38453 fmtno5lem3 41467 fmtno4prmfac193 41485 fmtno4nprmfac193 41486 127prm 41515 |
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