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| Mirrors > Home > MPE Home > Th. List > 7t2e14 | Structured version Visualization version GIF version | ||
| Description: 7 times 2 equals 14. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 7t2e14 | ⊢ (7 · 2) = ;14 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 7cn 12461 | . . 3 ⊢ 7 ∈ ℂ | |
| 2 | 1 | times2i 12505 | . 2 ⊢ (7 · 2) = (7 + 7) |
| 3 | 7p7e14 12922 | . 2 ⊢ (7 + 7) = ;14 | |
| 4 | 2, 3 | eqtri 2786 | 1 ⊢ (7 · 2) = ;14 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7440 1c1 11225 + caddc 11227 · cmul 11229 2c2 12421 4c4 12423 7c7 12426 ;cdc 12838 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-ov 7443 df-om 7899 df-2nd 8023 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-er 8742 df-en 8999 df-dom 9000 df-sdom 9001 df-pnf 11369 df-mnf 11370 df-ltxr 11372 df-nn 12360 df-2 12429 df-3 12430 df-4 12431 df-5 12432 df-6 12433 df-7 12434 df-8 12435 df-9 12436 df-n0 12631 df-dec 12839 |
| This theorem is used by: 7t3e21 12953 37prm 17325 43prm 17326 163prm 17329 631prm 17331 1259lem2 17336 1259lem4 17338 2503lem2 17342 2503lem3 17343 log2ub 27304 bpos1 27637 hgt750lemd 35344 hgt750lem 35347 hgt750lem2 35348 3exp7 43294 3lexlogpow5ineq1 43295 235t711 43553 ex-decpmul 43554 2exp340mod341 49034 |
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