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| Mirrors > Home > HSE Home > Th. List > atsseq | Structured version Visualization version GIF version | ||
| Description: Two atoms in a subset relationship are equal. (Contributed by NM, 26-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| atsseq | ⊢ ((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) → (𝐴 ⊆ 𝐵 ↔ 𝐴 = 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | atne0 32494 | . . . . 5 ⊢ (𝐴 ∈ HAtoms → 𝐴 ≠ 0ℋ) | |
| 2 | 1 | ad2antrr 736 | . . . 4 ⊢ (((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) ∧ 𝐴 ⊆ 𝐵) → 𝐴 ≠ 0ℋ) |
| 3 | atelch 32493 | . . . . . . . 8 ⊢ (𝐴 ∈ HAtoms → 𝐴 ∈ Cℋ ) | |
| 4 | atss 32495 | . . . . . . . 8 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ HAtoms) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ))) | |
| 5 | 3, 4 | sylan 589 | . . . . . . 7 ⊢ ((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) → (𝐴 ⊆ 𝐵 → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ))) |
| 6 | 5 | imp 410 | . . . . . 6 ⊢ (((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) ∧ 𝐴 ⊆ 𝐵) → (𝐴 = 𝐵 ∨ 𝐴 = 0ℋ)) |
| 7 | 6 | ord 875 | . . . . 5 ⊢ (((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) ∧ 𝐴 ⊆ 𝐵) → (¬ 𝐴 = 𝐵 → 𝐴 = 0ℋ)) |
| 8 | 7 | necon1ad 2973 | . . . 4 ⊢ (((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) ∧ 𝐴 ⊆ 𝐵) → (𝐴 ≠ 0ℋ → 𝐴 = 𝐵)) |
| 9 | 2, 8 | mpd 15 | . . 3 ⊢ (((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) ∧ 𝐴 ⊆ 𝐵) → 𝐴 = 𝐵) |
| 10 | 9 | ex 416 | . 2 ⊢ ((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) → (𝐴 ⊆ 𝐵 → 𝐴 = 𝐵)) |
| 11 | eqimss 3994 | . 2 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
| 12 | 10, 11 | impbid1 227 | 1 ⊢ ((𝐴 ∈ HAtoms ∧ 𝐵 ∈ HAtoms) → (𝐴 ⊆ 𝐵 ↔ 𝐴 = 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 ∨ wo 858 = wceq 1559 ∈ wcel 2141 ≠ wne 2956 ⊆ wss 3904 Cℋ cch 31078 0ℋc0h 31084 HAtomscat 31114 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-cnex 11126 ax-resscn 11127 ax-1cn 11128 ax-icn 11129 ax-addcl 11130 ax-addrcl 11131 ax-mulcl 11132 ax-mulrcl 11133 ax-mulcom 11134 ax-addass 11135 ax-mulass 11136 ax-distr 11137 ax-i2m1 11138 ax-1ne0 11139 ax-1rid 11140 ax-rnegex 11141 ax-rrecex 11142 ax-cnre 11143 ax-pre-lttri 11144 ax-pre-lttrn 11145 ax-pre-ltadd 11146 ax-pre-mulgt0 11147 ax-pre-sup 11148 ax-addf 11149 ax-mulf 11150 ax-hilex 31148 ax-hfvadd 31149 ax-hvcom 31150 ax-hvass 31151 ax-hv0cl 31152 ax-hvaddid 31153 ax-hfvmul 31154 ax-hvmulid 31155 ax-hvmulass 31156 ax-hvdistr1 31157 ax-hvdistr2 31158 ax-hvmul0 31159 ax-hfi 31228 ax-his1 31231 ax-his2 31232 ax-his3 31233 ax-his4 31234 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-riota 7349 df-ov 7395 df-oprab 7396 df-mpo 7397 df-om 7843 df-1st 7966 df-2nd 7967 df-frecs 8257 df-wrecs 8288 df-recs 8337 df-rdg 8376 df-er 8673 df-map 8805 df-pm 8806 df-en 8924 df-dom 8925 df-sdom 8926 df-sup 9385 df-inf 9386 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11413 df-neg 11414 df-div 11842 df-nn 12208 df-2 12277 df-3 12278 df-4 12279 df-n0 12479 df-z 12566 df-uz 12837 df-q 12947 df-rp 12991 df-xneg 13111 df-xadd 13112 df-xmul 13113 df-icc 13353 df-seq 14012 df-exp 14072 df-cj 15109 df-re 15110 df-im 15111 df-sqrt 15245 df-abs 15246 df-topgen 17455 df-psmet 21396 df-xmet 21397 df-met 21398 df-bl 21399 df-mopn 21400 df-top 22934 df-topon 22951 df-bases 22986 df-lm 23269 df-haus 23355 df-grpo 30642 df-gid 30643 df-ginv 30644 df-gdiv 30645 df-ablo 30694 df-vc 30708 df-nv 30741 df-va 30744 df-ba 30745 df-sm 30746 df-0v 30747 df-vs 30748 df-nmcv 30749 df-ims 30750 df-hnorm 31117 df-hvsub 31120 df-hlim 31121 df-sh 31356 df-ch 31370 df-ch0 31402 df-cv 32428 df-at 32487 |
| This theorem is referenced by: atnemeq0 32526 |
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