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Description: In an integral domain, the generator of a maximal ideal is irreducible. (Contributed by Thierry Arnoux, 22-Mar-2025)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | mxidlirredi.b | ⊢ 𝐵 = ( Base ‘ 𝑅 ) | |
| mxidlirredi.k | ⊢ 𝐾 = ( RSpan ‘ 𝑅 ) | ||
| mxidlirredi.0 | ⊢ 0 = ( 0g ‘ 𝑅 ) | ||
| mxidlirredi.m | ⊢ 𝑀 = ( 𝐾 ‘ { 𝑋 } ) | ||
| mxidlirredi.r | ⊢ ( 𝜑 → 𝑅 ∈ IDomn ) | ||
| mxidlirredi.x | ⊢ ( 𝜑 → 𝑋 ∈ 𝐵 ) | ||
| mxidlirredi.y | ⊢ ( 𝜑 → 𝑋 ≠ 0 ) | ||
| mxidlirredi.1 | ⊢ ( 𝜑 → 𝑀 ∈ ( MaxIdeal ‘ 𝑅 ) ) | ||
| Assertion | mxidlirredi | ⊢ ( 𝜑 → 𝑋 ∈ ( Irred ‘ 𝑅 ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mxidlirredi.b | ⊢ 𝐵 = ( Base ‘ 𝑅 ) | |
| 2 | mxidlirredi.k | ⊢ 𝐾 = ( RSpan ‘ 𝑅 ) | |
| 3 | mxidlirredi.0 | ⊢ 0 = ( 0g ‘ 𝑅 ) | |
| 4 | mxidlirredi.m | ⊢ 𝑀 = ( 𝐾 ‘ { 𝑋 } ) | |
| 5 | mxidlirredi.r | ⊢ ( 𝜑 → 𝑅 ∈ IDomn ) | |
| 6 | mxidlirredi.x | ⊢ ( 𝜑 → 𝑋 ∈ 𝐵 ) | |
| 7 | mxidlirredi.y | ⊢ ( 𝜑 → 𝑋 ≠ 0 ) | |
| 8 | mxidlirredi.1 | ⊢ ( 𝜑 → 𝑀 ∈ ( MaxIdeal ‘ 𝑅 ) ) | |
| 9 | 5 | idomringd | ⊢ ( 𝜑 → 𝑅 ∈ Ring ) |
| 10 | 1 | mxidlnr | ⊢ ( ( 𝑅 ∈ Ring ∧ 𝑀 ∈ ( MaxIdeal ‘ 𝑅 ) ) → 𝑀 ≠ 𝐵 ) |
| 11 | 9 8 10 | syl2anc | ⊢ ( 𝜑 → 𝑀 ≠ 𝐵 ) |
| 12 | eqid | ⊢ ( Unit ‘ 𝑅 ) = ( Unit ‘ 𝑅 ) | |
| 13 | 12 2 4 1 6 5 | unitpidl1 | ⊢ ( 𝜑 → ( 𝑀 = 𝐵 ↔ 𝑋 ∈ ( Unit ‘ 𝑅 ) ) ) |
| 14 | 13 | necon3abid | ⊢ ( 𝜑 → ( 𝑀 ≠ 𝐵 ↔ ¬ 𝑋 ∈ ( Unit ‘ 𝑅 ) ) ) |
| 15 | 11 14 | mpbid | ⊢ ( 𝜑 → ¬ 𝑋 ∈ ( Unit ‘ 𝑅 ) ) |
| 16 | 6 15 | eldifd | ⊢ ( 𝜑 → 𝑋 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) |
| 17 | 9 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑅 ∈ Ring ) |
| 18 | 8 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑀 ∈ ( MaxIdeal ‘ 𝑅 ) ) |
| 19 | simplr | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) | |
| 20 | 19 | eldifad | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑔 ∈ 𝐵 ) |
| 21 | 20 | snssd | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → { 𝑔 } ⊆ 𝐵 ) |
| 22 | eqid | ⊢ ( LIdeal ‘ 𝑅 ) = ( LIdeal ‘ 𝑅 ) | |
| 23 | 2 1 22 | rspcl | ⊢ ( ( 𝑅 ∈ Ring ∧ { 𝑔 } ⊆ 𝐵 ) → ( 𝐾 ‘ { 𝑔 } ) ∈ ( LIdeal ‘ 𝑅 ) ) |
| 24 | 17 21 23 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → ( 𝐾 ‘ { 𝑔 } ) ∈ ( LIdeal ‘ 𝑅 ) ) |
| 25 | 9 | ad4antr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) → 𝑅 ∈ Ring ) |
| 26 | 25 | ad2antrr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑅 ∈ Ring ) |
| 27 | simp-5r | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) | |
| 28 | 27 | eldifad | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑔 ∈ 𝐵 ) |
| 29 | eqid | ⊢ ( .r ‘ 𝑅 ) = ( .r ‘ 𝑅 ) | |
| 30 | simplr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑞 ∈ 𝐵 ) | |
| 31 | simp-6r | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) | |
| 32 | 31 | eldifad | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑓 ∈ 𝐵 ) |
| 33 | 1 29 26 30 32 | ringcld | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) ∈ 𝐵 ) |
| 34 | oveq1 | ⊢ ( 𝑦 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) → ( 𝑦 ( .r ‘ 𝑅 ) 𝑔 ) = ( ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) ) | |
| 35 | 34 | eqeq2d | ⊢ ( 𝑦 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) → ( 𝑥 = ( 𝑦 ( .r ‘ 𝑅 ) 𝑔 ) ↔ 𝑥 = ( ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) ) ) |
| 36 | 35 | adantl | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑦 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) ) → ( 𝑥 = ( 𝑦 ( .r ‘ 𝑅 ) 𝑔 ) ↔ 𝑥 = ( ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) ) ) |
| 37 | simp-4r | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) | |
| 38 | 37 | oveq2d | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑞 ( .r ‘ 𝑅 ) ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) ) = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) |
| 39 | 1 29 26 30 32 28 | ringassd | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) = ( 𝑞 ( .r ‘ 𝑅 ) ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) ) ) |
| 40 | simpr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) | |
| 41 | 38 39 40 | 3eqtr4rd | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑥 = ( ( 𝑞 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) ) |
| 42 | 33 36 41 | rspcedvd | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → ∃ 𝑦 ∈ 𝐵 𝑥 = ( 𝑦 ( .r ‘ 𝑅 ) 𝑔 ) ) |
| 43 | 1 29 2 | elrspsn | ⊢ ( ( 𝑅 ∈ Ring ∧ 𝑔 ∈ 𝐵 ) → ( 𝑥 ∈ ( 𝐾 ‘ { 𝑔 } ) ↔ ∃ 𝑦 ∈ 𝐵 𝑥 = ( 𝑦 ( .r ‘ 𝑅 ) 𝑔 ) ) ) |
| 44 | 43 | biimpar | ⊢ ( ( ( 𝑅 ∈ Ring ∧ 𝑔 ∈ 𝐵 ) ∧ ∃ 𝑦 ∈ 𝐵 𝑥 = ( 𝑦 ( .r ‘ 𝑅 ) 𝑔 ) ) → 𝑥 ∈ ( 𝐾 ‘ { 𝑔 } ) ) |
| 45 | 26 28 42 44 | syl21anc | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) ∧ 𝑞 ∈ 𝐵 ) ∧ 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑥 ∈ ( 𝐾 ‘ { 𝑔 } ) ) |
| 46 | 6 | ad4antr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) → 𝑋 ∈ 𝐵 ) |
| 47 | simpr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) → 𝑥 ∈ 𝑀 ) | |
| 48 | 47 4 | eleqtrdi | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) → 𝑥 ∈ ( 𝐾 ‘ { 𝑋 } ) ) |
| 49 | 1 29 2 | elrspsn | ⊢ ( ( 𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ) → ( 𝑥 ∈ ( 𝐾 ‘ { 𝑋 } ) ↔ ∃ 𝑞 ∈ 𝐵 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) ) |
| 50 | 49 | biimpa | ⊢ ( ( ( 𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ) ∧ 𝑥 ∈ ( 𝐾 ‘ { 𝑋 } ) ) → ∃ 𝑞 ∈ 𝐵 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) |
| 51 | 25 46 48 50 | syl21anc | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) → ∃ 𝑞 ∈ 𝐵 𝑥 = ( 𝑞 ( .r ‘ 𝑅 ) 𝑋 ) ) |
| 52 | 45 51 | r19.29a | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑥 ∈ 𝑀 ) → 𝑥 ∈ ( 𝐾 ‘ { 𝑔 } ) ) |
| 53 | 52 | ex | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → ( 𝑥 ∈ 𝑀 → 𝑥 ∈ ( 𝐾 ‘ { 𝑔 } ) ) ) |
| 54 | 53 | ssrdv | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑀 ⊆ ( 𝐾 ‘ { 𝑔 } ) ) |
| 55 | 2 1 | rspssid | ⊢ ( ( 𝑅 ∈ Ring ∧ { 𝑔 } ⊆ 𝐵 ) → { 𝑔 } ⊆ ( 𝐾 ‘ { 𝑔 } ) ) |
| 56 | vex | ⊢ 𝑔 ∈ V | |
| 57 | 56 | snss | ⊢ ( 𝑔 ∈ ( 𝐾 ‘ { 𝑔 } ) ↔ { 𝑔 } ⊆ ( 𝐾 ‘ { 𝑔 } ) ) |
| 58 | 55 57 | sylibr | ⊢ ( ( 𝑅 ∈ Ring ∧ { 𝑔 } ⊆ 𝐵 ) → 𝑔 ∈ ( 𝐾 ‘ { 𝑔 } ) ) |
| 59 | 17 21 58 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑔 ∈ ( 𝐾 ‘ { 𝑔 } ) ) |
| 60 | df-idom | ⊢ IDomn = ( CRing ∩ Domn ) | |
| 61 | 5 60 | eleqtrdi | ⊢ ( 𝜑 → 𝑅 ∈ ( CRing ∩ Domn ) ) |
| 62 | 61 | elin1d | ⊢ ( 𝜑 → 𝑅 ∈ CRing ) |
| 63 | 62 | ad6antr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑅 ∈ CRing ) |
| 64 | simplr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑟 ∈ 𝐵 ) | |
| 65 | simp-6r | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) | |
| 66 | 65 | eldifad | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑓 ∈ 𝐵 ) |
| 67 | 17 | adantr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → 𝑅 ∈ Ring ) |
| 68 | 67 | ad2antrr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑅 ∈ Ring ) |
| 69 | 1 29 68 64 66 | ringcld | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) ∈ 𝐵 ) |
| 70 | eqid | ⊢ ( 1r ‘ 𝑅 ) = ( 1r ‘ 𝑅 ) | |
| 71 | 1 70 | ringidcl | ⊢ ( 𝑅 ∈ Ring → ( 1r ‘ 𝑅 ) ∈ 𝐵 ) |
| 72 | 9 71 | syl | ⊢ ( 𝜑 → ( 1r ‘ 𝑅 ) ∈ 𝐵 ) |
| 73 | 72 | ad6antr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 1r ‘ 𝑅 ) ∈ 𝐵 ) |
| 74 | 20 | ad3antrrr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑔 ∈ 𝐵 ) |
| 75 | simpr | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → 𝑔 = 0 ) | |
| 76 | 75 | oveq2d | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = ( 𝑓 ( .r ‘ 𝑅 ) 0 ) ) |
| 77 | simp-5r | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) | |
| 78 | 67 | ad3antrrr | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → 𝑅 ∈ Ring ) |
| 79 | 66 | adantr | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → 𝑓 ∈ 𝐵 ) |
| 80 | 1 29 3 | ringrz | ⊢ ( ( 𝑅 ∈ Ring ∧ 𝑓 ∈ 𝐵 ) → ( 𝑓 ( .r ‘ 𝑅 ) 0 ) = 0 ) |
| 81 | 78 79 80 | syl2anc | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → ( 𝑓 ( .r ‘ 𝑅 ) 0 ) = 0 ) |
| 82 | 76 77 81 | 3eqtr3d | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → 𝑋 = 0 ) |
| 83 | 7 | neneqd | ⊢ ( 𝜑 → ¬ 𝑋 = 0 ) |
| 84 | 83 | ad7antr | ⊢ ( ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ∧ 𝑔 = 0 ) → ¬ 𝑋 = 0 ) |
| 85 | 82 84 | pm2.65da | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ¬ 𝑔 = 0 ) |
| 86 | 85 | neqned | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑔 ≠ 0 ) |
| 87 | eldifsn | ⊢ ( 𝑔 ∈ ( 𝐵 ∖ { 0 } ) ↔ ( 𝑔 ∈ 𝐵 ∧ 𝑔 ≠ 0 ) ) | |
| 88 | 74 86 87 | sylanbrc | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑔 ∈ ( 𝐵 ∖ { 0 } ) ) |
| 89 | 5 | ad6antr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑅 ∈ IDomn ) |
| 90 | 1 29 70 68 74 | ringlidmd | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( ( 1r ‘ 𝑅 ) ( .r ‘ 𝑅 ) 𝑔 ) = 𝑔 ) |
| 91 | simpr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) | |
| 92 | 1 29 68 64 66 74 | ringassd | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) = ( 𝑟 ( .r ‘ 𝑅 ) ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) ) ) |
| 93 | simp-4r | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) | |
| 94 | 93 | oveq2d | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑟 ( .r ‘ 𝑅 ) ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) ) = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) |
| 95 | 92 94 | eqtr2d | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) = ( ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) ) |
| 96 | 90 91 95 | 3eqtrrd | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) ( .r ‘ 𝑅 ) 𝑔 ) = ( ( 1r ‘ 𝑅 ) ( .r ‘ 𝑅 ) 𝑔 ) ) |
| 97 | 1 3 29 69 73 88 89 96 | idomrcan | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) = ( 1r ‘ 𝑅 ) ) |
| 98 | 12 70 | 1unit | ⊢ ( 𝑅 ∈ Ring → ( 1r ‘ 𝑅 ) ∈ ( Unit ‘ 𝑅 ) ) |
| 99 | 9 98 | syl | ⊢ ( 𝜑 → ( 1r ‘ 𝑅 ) ∈ ( Unit ‘ 𝑅 ) ) |
| 100 | 99 | ad6antr | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 1r ‘ 𝑅 ) ∈ ( Unit ‘ 𝑅 ) ) |
| 101 | 97 100 | eqeltrd | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) ∈ ( Unit ‘ 𝑅 ) ) |
| 102 | 12 29 1 | unitmulclb | ⊢ ( ( 𝑅 ∈ CRing ∧ 𝑟 ∈ 𝐵 ∧ 𝑓 ∈ 𝐵 ) → ( ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) ∈ ( Unit ‘ 𝑅 ) ↔ ( 𝑟 ∈ ( Unit ‘ 𝑅 ) ∧ 𝑓 ∈ ( Unit ‘ 𝑅 ) ) ) ) |
| 103 | 102 | simplbda | ⊢ ( ( ( 𝑅 ∈ CRing ∧ 𝑟 ∈ 𝐵 ∧ 𝑓 ∈ 𝐵 ) ∧ ( 𝑟 ( .r ‘ 𝑅 ) 𝑓 ) ∈ ( Unit ‘ 𝑅 ) ) → 𝑓 ∈ ( Unit ‘ 𝑅 ) ) |
| 104 | 63 64 66 101 103 | syl31anc | ⊢ ( ( ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) ∧ 𝑟 ∈ 𝐵 ) ∧ 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) → 𝑓 ∈ ( Unit ‘ 𝑅 ) ) |
| 105 | 6 | ad4antr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → 𝑋 ∈ 𝐵 ) |
| 106 | simpr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → 𝑔 ∈ 𝑀 ) | |
| 107 | 106 4 | eleqtrdi | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → 𝑔 ∈ ( 𝐾 ‘ { 𝑋 } ) ) |
| 108 | 1 29 2 | elrspsn | ⊢ ( ( 𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ) → ( 𝑔 ∈ ( 𝐾 ‘ { 𝑋 } ) ↔ ∃ 𝑟 ∈ 𝐵 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) ) |
| 109 | 108 | biimpa | ⊢ ( ( ( 𝑅 ∈ Ring ∧ 𝑋 ∈ 𝐵 ) ∧ 𝑔 ∈ ( 𝐾 ‘ { 𝑋 } ) ) → ∃ 𝑟 ∈ 𝐵 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) |
| 110 | 67 105 107 109 | syl21anc | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → ∃ 𝑟 ∈ 𝐵 𝑔 = ( 𝑟 ( .r ‘ 𝑅 ) 𝑋 ) ) |
| 111 | 104 110 | r19.29a | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → 𝑓 ∈ ( Unit ‘ 𝑅 ) ) |
| 112 | simp-4r | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) | |
| 113 | 112 | eldifbd | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) ∧ 𝑔 ∈ 𝑀 ) → ¬ 𝑓 ∈ ( Unit ‘ 𝑅 ) ) |
| 114 | 111 113 | pm2.65da | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → ¬ 𝑔 ∈ 𝑀 ) |
| 115 | 59 114 | eldifd | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑔 ∈ ( ( 𝐾 ‘ { 𝑔 } ) ∖ 𝑀 ) ) |
| 116 | 1 17 18 24 54 115 | mxidlmaxv | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → ( 𝐾 ‘ { 𝑔 } ) = 𝐵 ) |
| 117 | eqid | ⊢ ( 𝐾 ‘ { 𝑔 } ) = ( 𝐾 ‘ { 𝑔 } ) | |
| 118 | 5 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑅 ∈ IDomn ) |
| 119 | 12 2 117 1 20 118 | unitpidl1 | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → ( ( 𝐾 ‘ { 𝑔 } ) = 𝐵 ↔ 𝑔 ∈ ( Unit ‘ 𝑅 ) ) ) |
| 120 | 116 119 | mpbid | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → 𝑔 ∈ ( Unit ‘ 𝑅 ) ) |
| 121 | 19 | eldifbd | ⊢ ( ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) → ¬ 𝑔 ∈ ( Unit ‘ 𝑅 ) ) |
| 122 | 120 121 | pm2.65da | ⊢ ( ( ( 𝜑 ∧ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) → ¬ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) |
| 123 | 122 | anasss | ⊢ ( ( 𝜑 ∧ ( 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ) → ¬ ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) = 𝑋 ) |
| 124 | 123 | neqned | ⊢ ( ( 𝜑 ∧ ( 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ∧ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ) ) → ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) ≠ 𝑋 ) |
| 125 | 124 | ralrimivva | ⊢ ( 𝜑 → ∀ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ∀ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) ≠ 𝑋 ) |
| 126 | eqid | ⊢ ( Irred ‘ 𝑅 ) = ( Irred ‘ 𝑅 ) | |
| 127 | eqid | ⊢ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) = ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) | |
| 128 | 1 12 126 127 29 | isirred | ⊢ ( 𝑋 ∈ ( Irred ‘ 𝑅 ) ↔ ( 𝑋 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ∧ ∀ 𝑓 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ∀ 𝑔 ∈ ( 𝐵 ∖ ( Unit ‘ 𝑅 ) ) ( 𝑓 ( .r ‘ 𝑅 ) 𝑔 ) ≠ 𝑋 ) ) |
| 129 | 16 125 128 | sylanbrc | ⊢ ( 𝜑 → 𝑋 ∈ ( Irred ‘ 𝑅 ) ) |