| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > distrpr | Structured version Visualization version GIF version | ||
| Description: Multiplication of positive reals is distributive. Proposition 9-3.7(iii) of [Gleason] p. 124. (Contributed by NM, 2-May-1996.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| distrpr | ⊢ (𝐴 ·P (𝐵 +P 𝐶)) = ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | distrlem1pr 10957 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → (𝐴 ·P (𝐵 +P 𝐶)) ⊆ ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶))) | |
| 2 | distrlem5pr 10959 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶)) ⊆ (𝐴 ·P (𝐵 +P 𝐶))) | |
| 3 | 1, 2 | eqssd 3961 | . 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → (𝐴 ·P (𝐵 +P 𝐶)) = ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶))) |
| 4 | dmplp 10944 | . . 3 ⊢ dom +P = (P × P) | |
| 5 | 0npr 10924 | . . 3 ⊢ ¬ ∅ ∈ P | |
| 6 | dmmp 10945 | . . 3 ⊢ dom ·P = (P × P) | |
| 7 | 4, 5, 6 | ndmovdistr 7559 | . 2 ⊢ (¬ (𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → (𝐴 ·P (𝐵 +P 𝐶)) = ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶))) |
| 8 | 3, 7 | pm2.61i 182 | 1 ⊢ (𝐴 ·P (𝐵 +P 𝐶)) = ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 (class class class)co 7370 Pcnp 10791 +P cpp 10793 ·P cmp 10794 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7692 ax-inf2 9573 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rmo 3351 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6263 df-ord 6324 df-on 6325 df-lim 6326 df-suc 6327 df-iota 6453 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-ov 7373 df-oprab 7374 df-mpo 7375 df-om 7824 df-1st 7948 df-2nd 7949 df-frecs 8238 df-wrecs 8269 df-recs 8318 df-rdg 8356 df-1o 8412 df-oadd 8416 df-omul 8417 df-er 8649 df-ni 10804 df-pli 10805 df-mi 10806 df-lti 10807 df-plpq 10840 df-mpq 10841 df-ltpq 10842 df-enq 10843 df-nq 10844 df-erq 10845 df-plq 10846 df-mq 10847 df-1nq 10848 df-rq 10849 df-ltnq 10850 df-np 10913 df-plp 10915 df-mp 10916 |
| This theorem is referenced by: mulcmpblnrlem 11002 mulasssr 11022 distrsr 11023 m1m1sr 11025 1idsr 11030 recexsrlem 11035 mulgt0sr 11037 |
| Copyright terms: Public domain | W3C validator |