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| Mirrors > Home > MPE Home > Th. List > 5m1e4 | Structured version Visualization version GIF version | ||
| Description: 5 - 1 = 4. (Contributed by AV, 6-Sep-2021.) |
| Ref | Expression |
|---|---|
| 5m1e4 | ⊢ (5 − 1) = 4 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4cn 12421 | . 2 ⊢ 4 ∈ ℂ | |
| 2 | ax-1cn 11251 | . 2 ⊢ 1 ∈ ℂ | |
| 3 | df-5 12401 | . 2 ⊢ 5 = (4 + 1) | |
| 4 | 1, 2, 3 | mvrraddi 11567 | 1 ⊢ (5 − 1) = 4 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 (class class class)co 7418 1c1 11194 − cmin 11534 4c4 12392 5c5 12393 |
| 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 df-5 12401 |
| This theorem is used by: fldiv4p1lem1div2 13968 prmo5 17300 2lgslem3c 27718 lcm5un 43047 lcmineqlem23 43081 aks4d1p1p6 43103 numtowerdt 47885 gpgprismgr4cycllem11 49172 |
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