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| Mirrors > Home > MPE Home > Th. List > 9t7e63 | Structured version Visualization version GIF version | ||
| Description: 9 times 7 equals 63. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 9t7e63 | ⊢ (9 · 7) = ;63 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 9nn0 12654 | . 2 ⊢ 9 ∈ ℕ0 | |
| 2 | 6nn0 12651 | . 2 ⊢ 6 ∈ ℕ0 | |
| 3 | df-7 12434 | . 2 ⊢ 7 = (6 + 1) | |
| 4 | 9t6e54 12969 | . 2 ⊢ (9 · 6) = ;54 | |
| 5 | 5nn0 12650 | . . 3 ⊢ 5 ∈ ℕ0 | |
| 6 | 4nn0 12649 | . . 3 ⊢ 4 ∈ ℕ0 | |
| 7 | eqid 2763 | . . 3 ⊢ ;54 = ;54 | |
| 8 | 5p1e6 12513 | . . 3 ⊢ (5 + 1) = 6 | |
| 9 | 3nn0 12648 | . . 3 ⊢ 3 ∈ ℕ0 | |
| 10 | 1 | nn0cni 12642 | . . . 4 ⊢ 9 ∈ ℂ |
| 11 | 6 | nn0cni 12642 | . . . 4 ⊢ 4 ∈ ℂ |
| 12 | 9p4e13 12932 | . . . 4 ⊢ (9 + 4) = ;13 | |
| 13 | 10, 11, 12 | addcomli 11526 | . . 3 ⊢ (4 + 9) = ;13 |
| 14 | 5, 6, 1, 7, 8, 9, 13 | decaddci 12904 | . 2 ⊢ (;54 + 9) = ;63 |
| 15 | 1, 2, 3, 4, 14 | 4t3lem 12940 | 1 ⊢ (9 · 7) = ;63 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7440 1c1 11225 · cmul 11229 3c3 12422 4c4 12423 5c5 12424 6c6 12425 7c7 12426 9c9 12428 ;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-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 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-sub 11567 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: 9t8e72 12971 139prm 17328 163prm 17329 631prm 17331 log2ublem3 27303 hgt750lem2 35348 3lexlogpow5ineq1 43295 139prmALT 48884 8exp8mod9 49037 |
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