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Mirrors > Home > MPE Home > Th. List > 7t6e42 | Structured version Visualization version GIF version |
Description: 7 times 6 equals 42. (Contributed by Mario Carneiro, 19-Apr-2015.) |
Ref | Expression |
---|---|
7t6e42 | ⊢ (7 · 6) = ;42 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 7nn0 11913 | . 2 ⊢ 7 ∈ ℕ0 | |
2 | 5nn0 11911 | . 2 ⊢ 5 ∈ ℕ0 | |
3 | df-6 11698 | . 2 ⊢ 6 = (5 + 1) | |
4 | 7t5e35 12204 | . 2 ⊢ (7 · 5) = ;35 | |
5 | 3nn0 11909 | . . 3 ⊢ 3 ∈ ℕ0 | |
6 | eqid 2821 | . . 3 ⊢ ;35 = ;35 | |
7 | 3p1e4 11776 | . . 3 ⊢ (3 + 1) = 4 | |
8 | 2nn0 11908 | . . 3 ⊢ 2 ∈ ℕ0 | |
9 | 1 | nn0cni 11903 | . . . 4 ⊢ 7 ∈ ℂ |
10 | 2 | nn0cni 11903 | . . . 4 ⊢ 5 ∈ ℂ |
11 | 7p5e12 12169 | . . . 4 ⊢ (7 + 5) = ;12 | |
12 | 9, 10, 11 | addcomli 10826 | . . 3 ⊢ (5 + 7) = ;12 |
13 | 5, 2, 1, 6, 7, 8, 12 | decaddci 12153 | . 2 ⊢ (;35 + 7) = ;42 |
14 | 1, 2, 3, 4, 13 | 4t3lem 12189 | 1 ⊢ (7 · 6) = ;42 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1533 (class class class)co 7150 1c1 10532 · cmul 10536 2c2 11686 3c3 11687 4c4 11688 5c5 11689 6c6 11690 7c7 11691 ;cdc 12092 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pow 5258 ax-pr 5321 ax-un 7455 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rab 3147 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-pss 3953 df-nul 4291 df-if 4467 df-pw 4540 df-sn 4561 df-pr 4563 df-tp 4565 df-op 4567 df-uni 4832 df-iun 4913 df-br 5059 df-opab 5121 df-mpt 5139 df-tr 5165 df-id 5454 df-eprel 5459 df-po 5468 df-so 5469 df-fr 5508 df-we 5510 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-rn 5560 df-res 5561 df-ima 5562 df-pred 6142 df-ord 6188 df-on 6189 df-lim 6190 df-suc 6191 df-iota 6308 df-fun 6351 df-fn 6352 df-f 6353 df-f1 6354 df-fo 6355 df-f1o 6356 df-fv 6357 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-pnf 10671 df-mnf 10672 df-ltxr 10674 df-sub 10866 df-nn 11633 df-2 11694 df-3 11695 df-4 11696 df-5 11697 df-6 11698 df-7 11699 df-8 11700 df-9 11701 df-n0 11892 df-dec 12093 |
This theorem is referenced by: 7t7e49 12206 43prm 16449 1259lem3 16460 hgt750lem2 31918 257prm 43717 fmtno5faclem2 43736 |
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