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| Mirrors > Home > MPE Home > Th. List > 4t3lem | Structured version Visualization version GIF version | ||
| Description: Lemma for 4t3e12 12832 and related theorems. (Contributed by Mario Carneiro, 19-Apr-2015.) |
| Ref | Expression |
|---|---|
| 4t3lem.1 | ⊢ 𝐴 ∈ ℕ0 |
| 4t3lem.2 | ⊢ 𝐵 ∈ ℕ0 |
| 4t3lem.3 | ⊢ 𝐶 = (𝐵 + 1) |
| 4t3lem.4 | ⊢ (𝐴 · 𝐵) = 𝐷 |
| 4t3lem.5 | ⊢ (𝐷 + 𝐴) = 𝐸 |
| Ref | Expression |
|---|---|
| 4t3lem | ⊢ (𝐴 · 𝐶) = 𝐸 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4t3lem.3 | . . 3 ⊢ 𝐶 = (𝐵 + 1) | |
| 2 | 1 | oveq2i 7434 | . 2 ⊢ (𝐴 · 𝐶) = (𝐴 · (𝐵 + 1)) |
| 3 | 4t3lem.1 | . . . . . 6 ⊢ 𝐴 ∈ ℕ0 | |
| 4 | 3 | nn0cni 12534 | . . . . 5 ⊢ 𝐴 ∈ ℂ |
| 5 | 4t3lem.2 | . . . . . 6 ⊢ 𝐵 ∈ ℕ0 | |
| 6 | 5 | nn0cni 12534 | . . . . 5 ⊢ 𝐵 ∈ ℂ |
| 7 | ax-1cn 11176 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 8 | 4, 6, 7 | adddii 11239 | . . . 4 ⊢ (𝐴 · (𝐵 + 1)) = ((𝐴 · 𝐵) + (𝐴 · 1)) |
| 9 | 4t3lem.4 | . . . . 5 ⊢ (𝐴 · 𝐵) = 𝐷 | |
| 10 | 4 | mulridi 11231 | . . . . 5 ⊢ (𝐴 · 1) = 𝐴 |
| 11 | 9, 10 | oveq12i 7435 | . . . 4 ⊢ ((𝐴 · 𝐵) + (𝐴 · 1)) = (𝐷 + 𝐴) |
| 12 | 8, 11 | eqtri 2789 | . . 3 ⊢ (𝐴 · (𝐵 + 1)) = (𝐷 + 𝐴) |
| 13 | 4t3lem.5 | . . 3 ⊢ (𝐷 + 𝐴) = 𝐸 | |
| 14 | 12, 13 | eqtri 2789 | . 2 ⊢ (𝐴 · (𝐵 + 1)) = 𝐸 |
| 15 | 2, 14 | eqtri 2789 | 1 ⊢ (𝐴 · 𝐶) = 𝐸 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2146 (class class class)co 7423 1c1 11119 + caddc 11121 · cmul 11123 ℕ0cn0 12522 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pr 5409 ax-un 7745 ax-resscn 11175 ax-1cn 11176 ax-icn 11177 ax-addcl 11178 ax-mulcl 11180 ax-mulcom 11182 ax-mulass 11184 ax-distr 11185 ax-i2m1 11186 ax-1rid 11188 ax-cnre 11191 |
| 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 2100 df-mo 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3928 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-tr 5224 df-id 5561 df-eprel 5566 df-po 5574 df-so 5575 df-fr 5619 df-we 5621 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-pred 6309 df-ord 6370 df-on 6371 df-lim 6372 df-suc 6373 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-ov 7426 df-om 7872 df-2nd 7996 df-frecs 8287 df-wrecs 8318 df-recs 8367 df-rdg 8406 df-nn 12252 df-n0 12523 |
| This theorem is used by: 4t3e12 12832 4t4e16 12833 5t2e10 12834 5t3e15 12835 5t4e20 12836 5t5e25 12837 6t3e18 12839 6t4e24 12840 6t5e30 12841 6t6e36 12842 7t3e21 12844 7t4e28 12845 7t5e35 12846 7t6e42 12847 7t7e49 12848 8t3e24 12850 8t4e32 12851 8t5e40 12852 8t6e48 12853 8t7e56 12854 8t8e64 12855 9t3e27 12857 9t4e36 12858 9t5e45 12859 9t6e54 12860 9t7e63 12861 9t8e72 12862 9t9e81 12863 |
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