| Metamath Proof Explorer |
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Related theorems GIF version |
| Description: 1 and 0 are distinct. Axiom 14 of 25 for real and complex numbers, derived from ZF set theory. |
| Ref | Expression |
|---|---|
| ax1ne0 | ⊢ 1 ≠ 0 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1ne0sr 5185 | . . . 4 ⊢ ¬ 1R = 0R | |
| 2 | 1r 5170 | . . . . . 6 ⊢ 1R ∈ R | |
| 3 | 2 | elisseti 1814 | . . . . 5 ⊢ 1R ∈ V |
| 4 | 3 | eqresr 5235 | . . . 4 ⊢ (〈1R, 0R〉 = 〈0R, 0R〉 ↔ 1R = 0R) |
| 5 | 1, 4 | mtbir 192 | . . 3 ⊢ ¬ 〈1R, 0R〉 = 〈0R, 0R〉 |
| 6 | df-1 5222 | . . . 4 ⊢ 1 = 〈1R, 0R〉 | |
| 7 | df-0 5221 | . . . 4 ⊢ 0 = 〈0R, 0R〉 | |
| 8 | 6, 7 | eqeq12i 1485 | . . 3 ⊢ (1 = 0 ↔ 〈1R, 0R〉 = 〈0R, 0R〉) |
| 9 | 5, 8 | mtbir 192 | . 2 ⊢ ¬ 1 = 0 |
| 10 | df-ne 1584 | . 2 ⊢ (1 ≠ 0 ↔ ¬ 1 = 0) | |
| 11 | 9, 10 | mpbir 190 | 1 ⊢ 1 ≠ 0 |
| Colors of variables: wff set class |
| Syntax hints: ¬ wn 2 = wceq 954 ≠ wne 1582 〈cop 2407 Rcnr 4973 0Rc0r 4974 1Rc1r 4975 0cc0 5214 1c1 5215 |
| This theorem is referenced by: elimne0 5296 ine0 5414 lt01 5661 mulcant2 5668 recne0z 5702 div11t 5729 recrec 5733 div1 5736 recrect 5740 recdivt 5754 divdivmult 5759 recgt0i 5778 expne0it 6527 efseq1ex 7256 erelem2 7270 efne0t 7319 dscmet 7870 ablmul 8083 mulid 8084 vcoprne 8150 efif1lem5 8668 pilog 8707 hvsubcant 8880 hvsubcan2t 8881 norm1ex 9061 kbpjt 9819 large 10132 superpos 10218 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 960 ax-gen 961 ax-8 962 ax-9 963 ax-10 964 ax-11 965 ax-12 966 ax-13 967 ax-14 968 ax-17 969 ax-4 971 ax-5o 973 ax-6o 976 ax-9o 1121 ax-10o 1138 ax-16 1208 ax-11o 1216 ax-ext 1457 ax-rep 2688 ax-sep 2698 ax-nul 2705 ax-pow 2737 ax-pr 2774 ax-un 2861 ax-inf2 4605 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 775 df-3an 776 df-ex 979 df-sb 1170 df-eu 1380 df-mo 1381 df-clab 1462 df-cleq 1467 df-clel 1470 df-ne 1584 df-ral 1646 df-rex 1647 df-reu 1648 df-rab 1649 df-v 1808 df-sbc 1938 df-csb 1998 df-dif 2045 df-un 2046 df-in 2047 df-ss 2049 df-pss 2051 df-nul 2277 df-if 2358 df-pw 2398 df-sn 2408 df-pr 2409 df-tp 2411 df-op 2412 df-uni 2499 df-int 2529 df-iun 2563 df-br 2615 df-opab 2662 df-tr 2676 df-eprel 2827 df-id 2830 df-po 2835 df-so 2845 df-fr 2912 df-we 2929 df-ord 2946 df-on 2947 df-lim 2948 df-suc 2949 df-om 3127 df-xp 3179 df-rel 3180 df-cnv 3181 df-co 3182 df-dm 3183 df-rn 3184 df-res 3185 df-ima 3186 df-fun 3187 df-fn 3188 df-f 3189 df-fv 3193 df-rdg 3923 df-opr 3956 df-oprab 3957 df-1st 4069 df-2nd 4070 df-1o 4123 df-oadd 4125 df-omul 4126 df-er 4251 df-ec 4253 df-qs 4256 df-ni 4980 df-pli 4981 df-mi 4982 df-lti 4983 df-plpq 5015 df-mpq 5016 df-enq 5017 df-nq 5018 df-plq 5019 df-mq 5020 df-rq 5021 df-ltq 5022 df-1q 5023 df-np 5066 df-1p 5067 df-plp 5068 df-ltp 5070 df-enr 5146 df-nr 5147 df-ltr 5150 df-0r 5151 df-1r 5152 df-0 5221 df-1 5222 |