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| Mirrors > Home > MPE Home > Th. List > 5recm6rec | Structured version Visualization version GIF version | ||
| Description: One fifth minus one sixth. (Contributed by Scott Fenton, 9-Jan-2017.) |
| Ref | Expression |
|---|---|
| 5recm6rec | ⊢ ((1 / 5) − (1 / 6)) = (1 / ;30) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 5cn 12431 | . . 3 ⊢ 5 ∈ ℂ | |
| 2 | 6cn 12434 | . . 3 ⊢ 6 ∈ ℂ | |
| 3 | 5re 12430 | . . . 4 ⊢ 5 ∈ ℝ | |
| 4 | 5pos 12455 | . . . 4 ⊢ 0 < 5 | |
| 5 | 3, 4 | gt0ne0ii 11852 | . . 3 ⊢ 5 ≠ 0 |
| 6 | 6re 12433 | . . . 4 ⊢ 6 ∈ ℝ | |
| 7 | 6pos 12456 | . . . 4 ⊢ 0 < 6 | |
| 8 | 6, 7 | gt0ne0ii 11852 | . . 3 ⊢ 6 ≠ 0 |
| 9 | 1, 2, 5, 8 | subreci 12148 | . 2 ⊢ ((1 / 5) − (1 / 6)) = ((6 − 5) / (5 · 6)) |
| 10 | ax-1cn 11258 | . . . 4 ⊢ 1 ∈ ℂ | |
| 11 | 5p1e6 12489 | . . . 4 ⊢ (5 + 1) = 6 | |
| 12 | 2, 1, 10, 11 | subaddrii 11647 | . . 3 ⊢ (6 − 5) = 1 |
| 13 | 6t5e30 12926 | . . . 4 ⊢ (6 · 5) = ;30 | |
| 14 | 2, 1, 13 | mulcomli 11318 | . . 3 ⊢ (5 · 6) = ;30 |
| 15 | 12, 14 | oveq12i 7432 | . 2 ⊢ ((6 − 5) / (5 · 6)) = (1 / ;30) |
| 16 | 9, 15 | eqtri 2783 | 1 ⊢ ((1 / 5) − (1 / 6)) = (1 / ;30) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 (class class class)co 7420 0cc0 11200 1c1 11201 · cmul 11205 − cmin 11541 / cdiv 11973 3c3 12398 5c5 12400 6c6 12401 ;cdc 12814 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7751 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 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-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-div 11974 df-nn 12336 df-2 12405 df-3 12406 df-4 12407 df-5 12408 df-6 12409 df-7 12410 df-8 12411 df-9 12412 df-n0 12607 df-dec 12815 |
| This theorem is used by: bpoly4 16225 |
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