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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 12455 | . . 3 ⊢ 5 ∈ ℂ | |
| 2 | 6cn 12458 | . . 3 ⊢ 6 ∈ ℂ | |
| 3 | 5re 12454 | . . . 4 ⊢ 5 ∈ ℝ | |
| 4 | 5pos 12479 | . . . 4 ⊢ 0 < 5 | |
| 5 | 3, 4 | gt0ne0ii 11876 | . . 3 ⊢ 5 ≠ 0 |
| 6 | 6re 12457 | . . . 4 ⊢ 6 ∈ ℝ | |
| 7 | 6pos 12480 | . . . 4 ⊢ 0 < 6 | |
| 8 | 6, 7 | gt0ne0ii 11876 | . . 3 ⊢ 6 ≠ 0 |
| 9 | 1, 2, 5, 8 | subreci 12172 | . 2 ⊢ ((1 / 5) − (1 / 6)) = ((6 − 5) / (5 · 6)) |
| 10 | ax-1cn 11282 | . . . 4 ⊢ 1 ∈ ℂ | |
| 11 | 5p1e6 12513 | . . . 4 ⊢ (5 + 1) = 6 | |
| 12 | 2, 1, 10, 11 | subaddrii 11671 | . . 3 ⊢ (6 − 5) = 1 |
| 13 | 6t5e30 12950 | . . . 4 ⊢ (6 · 5) = ;30 | |
| 14 | 2, 1, 13 | mulcomli 11342 | . . 3 ⊢ (5 · 6) = ;30 |
| 15 | 12, 14 | oveq12i 7452 | . 2 ⊢ ((6 − 5) / (5 · 6)) = (1 / ;30) |
| 16 | 9, 15 | eqtri 2786 | 1 ⊢ ((1 / 5) − (1 / 6)) = (1 / ;30) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7440 0cc0 11224 1c1 11225 · cmul 11229 − cmin 11565 / cdiv 11997 3c3 12422 5c5 12424 6c6 12425 ;cdc 12838 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 ax-pre-mulgt0 11301 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 df-om 7899 df-2nd 8023 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-er 8742 df-en 8999 df-dom 9000 df-sdom 9001 df-pnf 11369 df-mnf 11370 df-xr 11371 df-ltxr 11372 df-le 11373 df-sub 11567 df-neg 11568 df-div 11998 df-nn 12360 df-2 12429 df-3 12430 df-4 12431 df-5 12432 df-6 12433 df-7 12434 df-8 12435 df-9 12436 df-n0 12631 df-dec 12839 |
| This theorem is used by: bpoly4 16251 |
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