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| 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 10948 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → (𝐴 ·P (𝐵 +P 𝐶)) ⊆ ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶))) | |
| 2 | distrlem5pr 10950 | . . 3 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶)) ⊆ (𝐴 ·P (𝐵 +P 𝐶))) | |
| 3 | 1, 2 | eqssd 3953 | . 2 ⊢ ((𝐴 ∈ P ∧ 𝐵 ∈ P ∧ 𝐶 ∈ P) → (𝐴 ·P (𝐵 +P 𝐶)) = ((𝐴 ·P 𝐵) +P (𝐴 ·P 𝐶))) |
| 4 | dmplp 10935 | . . 3 ⊢ dom +P = (P × P) | |
| 5 | 0npr 10915 | . . 3 ⊢ ¬ ∅ ∈ P | |
| 6 | dmmp 10936 | . . 3 ⊢ dom ·P = (P × P) | |
| 7 | 4, 5, 6 | ndmovdistr 7557 | . 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 1087 = wceq 1542 ∈ wcel 2114 (class class class)co 7368 Pcnp 10782 +P cpp 10784 ·P cmp 10785 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-inf2 9562 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-oadd 8411 df-omul 8412 df-er 8645 df-ni 10795 df-pli 10796 df-mi 10797 df-lti 10798 df-plpq 10831 df-mpq 10832 df-ltpq 10833 df-enq 10834 df-nq 10835 df-erq 10836 df-plq 10837 df-mq 10838 df-1nq 10839 df-rq 10840 df-ltnq 10841 df-np 10904 df-plp 10906 df-mp 10907 |
| This theorem is referenced by: mulcmpblnrlem 10993 mulasssr 11013 distrsr 11014 m1m1sr 11016 1idsr 11021 recexsrlem 11026 mulgt0sr 11028 |
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