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| Mirrors > Home > MPE Home > Th. List > 4t3lem | Structured version Visualization version GIF version | ||
| Description: Lemma for 4t3e12 12815 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 7423 | . 2 ⊢ (𝐴 · 𝐶) = (𝐴 · (𝐵 + 1)) |
| 3 | 4t3lem.1 | . . . . . 6 ⊢ 𝐴 ∈ ℕ0 | |
| 4 | 3 | nn0cni 12517 | . . . . 5 ⊢ 𝐴 ∈ ℂ |
| 5 | 4t3lem.2 | . . . . . 6 ⊢ 𝐵 ∈ ℕ0 | |
| 6 | 5 | nn0cni 12517 | . . . . 5 ⊢ 𝐵 ∈ ℂ |
| 7 | ax-1cn 11159 | . . . . 5 ⊢ 1 ∈ ℂ | |
| 8 | 4, 6, 7 | adddii 11222 | . . . 4 ⊢ (𝐴 · (𝐵 + 1)) = ((𝐴 · 𝐵) + (𝐴 · 1)) |
| 9 | 4t3lem.4 | . . . . 5 ⊢ (𝐴 · 𝐵) = 𝐷 | |
| 10 | 4 | mulridi 11214 | . . . . 5 ⊢ (𝐴 · 1) = 𝐴 |
| 11 | 9, 10 | oveq12i 7424 | . . . 4 ⊢ ((𝐴 · 𝐵) + (𝐴 · 1)) = (𝐷 + 𝐴) |
| 12 | 8, 11 | eqtri 2786 | . . 3 ⊢ (𝐴 · (𝐵 + 1)) = (𝐷 + 𝐴) |
| 13 | 4t3lem.5 | . . 3 ⊢ (𝐷 + 𝐴) = 𝐸 | |
| 14 | 12, 13 | eqtri 2786 | . 2 ⊢ (𝐴 · (𝐵 + 1)) = 𝐸 |
| 15 | 2, 14 | eqtri 2786 | 1 ⊢ (𝐴 · 𝐶) = 𝐸 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 ∈ wcel 2143 (class class class)co 7412 1c1 11102 + caddc 11104 · cmul 11106 ℕ0cn0 12505 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pr 5406 ax-un 7734 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-mulcl 11163 ax-mulcom 11165 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1rid 11171 ax-cnre 11174 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7415 df-om 7864 df-2nd 7988 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-nn 12235 df-n0 12506 |
| This theorem is referenced by: 4t3e12 12815 4t4e16 12816 5t2e10 12817 5t3e15 12818 5t4e20 12819 5t5e25 12820 6t3e18 12822 6t4e24 12823 6t5e30 12824 6t6e36 12825 7t3e21 12827 7t4e28 12828 7t5e35 12829 7t6e42 12830 7t7e49 12831 8t3e24 12833 8t4e32 12834 8t5e40 12835 8t6e48 12836 8t7e56 12837 8t8e64 12838 9t3e27 12840 9t4e36 12841 9t5e45 12842 9t6e54 12843 9t7e63 12844 9t8e72 12845 9t9e81 12846 |
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