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| Mirrors > Home > MPE Home > Th. List > 4m1e3 | Structured version Visualization version GIF version | ||
| Description: 4 - 1 = 3. (Contributed by AV, 8-Feb-2021.) (Proof shortened by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 4m1e3 | ⊢ (4 − 1) = 3 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 3cn 12346 | . 2 ⊢ 3 ∈ ℂ | |
| 2 | ax-1cn 11182 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-4 12329 | . 2 ⊢ 4 = (3 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11498 | 1 ⊢ (4 − 1) = 3 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7413 1c1 11125 − cmin 11465 3c3 12320 4c4 12321 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 |
| 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 2100 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-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-po 5563 df-so 5564 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-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11269 df-mnf 11270 df-ltxr 11272 df-sub 11467 df-2 12327 df-3 12328 df-4 12329 |
| This theorem is used by: fzo0to42pr 13809 fzo1to4tp 13810 4bc3eq4 14392 lsws4 14977 bpoly4 16145 prmo4 17220 iblitg 25996 sincos6thpi 26753 ang180lem2 27047 log2ub 27186 ppiub 27440 bclbnd 27516 3pthd 30654 cos9thpiminplylem1 34292 hgt750lemd 35156 lcm4un 42882 aks4d1p1p5 42941 fmtno4sqrt 48474 m2prm 48494 lighneallem2 48509 ppivalnn4 48530 4fppr1 48651 fpprel2 48657 |
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