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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 12417 | . 2 ⊢ 3 ∈ ℂ | |
| 2 | ax-1cn 11251 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-4 12400 | . 2 ⊢ 4 = (3 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11567 | 1 ⊢ (4 − 1) = 3 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7418 1c1 11194 − cmin 11534 3c3 12391 4c4 12392 |
| 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 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 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 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-ltxr 11341 df-sub 11536 df-2 12398 df-3 12399 df-4 12400 |
| This theorem is used by: fzo0to42pr 13881 fzo1to4tp 13882 4bc3eq4 14465 lsws4 15050 bpoly4 16218 prmo4 17299 iblitg 26082 sincos6thpi 26837 ang180lem2 27131 log2ub 27270 ppiub 27524 bclbnd 27600 3pthd 30768 cos9thpiminplylem1 34407 hgt750lemd 35270 lcm4un 43046 aks4d1p1p5 43105 fmtno4sqrt 48625 m2prm 48645 lighneallem2 48660 ppivalnn4 48681 4fppr1 48802 fpprel2 48808 |
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